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Solved State whether the data described below are discrete - Chegg Three cell phone towers form APQR. Still, continuous data stores the fractional numbers to record different types of data such as temperature, height, width, time, speed, etc. It would be great if you already have a bit of knowledge about a course before opting for it. The bar graph is used to graphically represent discrete data. For example, a computer software store conducts a marketing study by interviewing potential customers who happen to be in the store browsing through the available software. What type of data is this? Those numbers picked from the first department, picked from the second department, and so on represent the members who make up the stratified sample. The exact lengths (in kilometers) of the ocean coastlines of different countries. B.The data are discrete because the data can only take on specific values. Arrow over to PRB. Data may come from a population or from a sample. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of The numbers of hotels in cities Choose the correct answer below. Your email address will not be published. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. As you become accustomed to sampling, the variability will begin to seem natural. There are distinct or different values in discrete data. O C. The data are continuous because the data can take on any value in an interval. The list of fruit is nominal. You can also visit their website. Therefore this is discrete data. the type of car you drive. A continuous data set because there are infinitely mamy possible values and those values cannot be counted. On the other hand, if we count large quantities of any discrete entity. What is the type of sampling in each case? One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. They both did. I want to study the topic of Statistics for my college-level exams? The data will be quantitative, say 2+3 (=5) apples. Explain your reasoning. Record the quiz scores that correspond to these numbers. 5 (2006). ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. It includes only those values which are separate and can only be counted in, , which means that the data can not be split into, Continuous data is the data that can be of any value. C. The data are All members of the four departments with those numbers are the cluster sample. feet, 190 sq. Whether you are a data scientist, marketer, businessman, data analyst, researcher, or you are in any other profession, you need to play or experiment with raw or structured data. Is the study impartial? You can go for a business analyst or a statistician or a financial analyst or even an economist etc. Statistical data about spreading of the epidemic are known in discrete periods of time, for example twenty-four hours. Record the number. Nominal Data is used to label variables without any order or quantitative value. The discrete data contain the values that fall under integers or whole numbers. QUESTIONState whether the data described below are discrete or continuous, and explain why. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. So, you will get the result too! Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. Self-selected samples: Responses only by people who choose to respond, such as call-in surveys, are often unreliable. Two students carry three books, one student carries four books, one student carries two books, and one student carries one book. Work collaboratively to determine the correct data type (quantitative or qualitative). Discrete data. air. 10.
Solved State whether the data described below are discrete - Chegg Discrete data is a sort of numerical data that consists of full, concrete numbers that have particular and fixed data values that are determined by counting. Instead, we use a sample of the population. You should know how to manage your time and utilize it in the best way possible. You may wrap around (go back to the beginning). A local radio station has a fan base of 20,000 listeners. Collaborative Exercise 1.2. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. First, we use convenience sampling and survey ten students from a first term organic chemistry class.
Step 2: Discrete and continuous data. 4. It can be the version of an android phone, the height of a person, the length of an object, etc. When properly selected, larger samples model the population more closely than smaller samples. Notice that the frequencies do not add up to the total number of students. ), Marital status (Single, Widowed, Married), When companies ask for feedback, experience, or satisfaction on a scale of 1 to 10, Letter grades in the exam (A, B, C, D, etc. In this article, we have discussed the data types and their differences. However, generally, we use age as a discrete variable. The first sample probably consists of science-oriented students. What type of data does this graph show? It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. But still, their samples would be, in all likelihood, different from each other. Which pair is farther from camp? For the purpose of analysis, data are presented as the facts and figures collected together. , i.e. Any group of n individuals is equally likely to be chosen by any other group of n individuals if the simple random sampling technique is used. And this is the reason why most students find it to be an interesting subject. But graphs can be even more helpful in understanding the data. Log on to our website and explore courses delivered by industry experts. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital.
(We assume that these are the only disciplines in which part-time students at ABC College are enrolled and that an equal number of part-time students are enrolled in each of the disciplines.) Ra For example, suppose Lisa wants to form a four-person study group (herself and three other people) from her pre-calculus class, which has 31 members not including Lisa. Legal. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). When you have a numeric variable, you need to determine whether it is discrete or continuous. The data are discrete because the data can only take on specific . Sleep deprivation is of no use, instead, you should take a nap to relax the nerves of your brain in order to learn and study later. You should ask the doubt there and then clear it, analyze it and work on it. The measure of ZQ is 10 less than the measure of LP. 13. according to measurement accuracy, it can be significantly subdivided into smaller sections. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. y's house is at D, 750 feet from the intersection. Then survey every U.S. congressman in the cluster. Its really normal for you to feel anxious before your exam especially when the subject is statistics. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. The data are continuous because the data can take Show how you know. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. This variability in samples cannot be stressed enough. This table displays six sets of quiz scores (each quiz counts 10 points) for an elementary statistics class. To choose a simple random sample from each department, number each member of the first department, number each member of the second department, and do the same for the remaining departments. Try to identify additional data sets in this example. The random numbers 0.94360 and 0.99832 do not contain appropriate two digit numbers. Work collaboratively to determine the correct data type (quantitative or qualitative). The data are because.continuous the data can only take on specific values C. These values do not have to be complete numbers, but they are values that are fixed. The data are continuous because the data can only take on specific values . You sample five houses. The data are because.continuous the data can take on any value in an interval B. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). Look at Figures \(\PageIndex{3}\) and \(\PageIndex{4}\) and determine which graph (pie or bar) you think displays the comparisons better. If you count the number of phone calls you receive for each day of the week, you might get values such as zero, one, two, or three. Continuous data represents information that can be divided into smaller levels. To four decimal places, these numbers are equivalent (0.0999). Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Your answer is correct. The color of hair can be considered nominal data, as one color cant be compared with another color. .
Answered: State whether the data discribed below | bartleby The triangles show the position of the gate in relation to its closed position. Question: State whether the data described below are discrete or continuous, and explain why. Here are a few steps to prepare well for your exam which has statistics as a part of the course. Samples that contain different individuals result in different data. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. Press ENTER. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. As a rule, the larger the sample, the smaller the sampling error. The data are the colors of backpacks. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. Save my name, email, and website in this browser for the next time I comment. The second sample is taken using a list of senior citizens who take P.E. B. A histogram is used to display quantitative data: the numbers of credit hours completed. You go to the supermarket and purchase three cans of soup (19 ounces) tomato bisque, 14.1 ounces lentil, and 19 ounces Italian wedding), two packages of nuts (walnuts and peanuts), four different kinds of vegetable (broccoli, cauliflower, spinach, and carrots), and two desserts (16 ounces Cherry Garcia ice cream and two pounds (32 ounces chocolate chip cookies). 26. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. To find the average GPA of all students in a university, use all honor students at the university as the sample. It may take any numeric value, within a potential value range of finite or infinite. Variation is present in any set of data. You sample five gyms.
Determine whether the value is from a discrete or continuous data set on any value in an interval . When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. Instead of that, just revise what youve already done. Weights are quantitative continuous data because weights are measured. The graph in Figure \(\PageIndex{5}\) is a Pareto chart. Neither would be wrong, however. Numeric variables represent characteristics that you can express as numbers rather than descriptive language. Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. Experts are tested by Chegg as specialists in their subject area. according to measurement accuracy, it can be significantly subdivided into smaller sections.
Intraobserver repeatability for a standardized protocol to quantify A completely random method is used to select 75 students. Press ENTER two more times for the other 2 random numbers. C. The data are Ungrouped frequency distribution of discrete data is performed against a single value. If we were to examine two samples representing the same population, even if we used random sampling methods for the samples, they would not be exactly the same. What type of data is this? State whether the data described below are discrete or continuous, and explain why The speeds of the different people walking in a park Choose the correct answer below. The circumferences (in inches) of people's heads Choose the correct answer below. Quick Check Introduction to Data Science. OD. A.The data are continuous because the data can only take on the data can only take on specificvalues. Surely, you can get all the study material on Vedantu mobile app- learn live online. Notice that backpacks carrying three books can have different weights. 2013. A large ship is sailing between three small islands. Record the number and the first quiz score. Think about what contributes to making Doreens and Jungs samples different. What is the main difference between discrete and continuous data? Qualitative or Categorical Data is data that cant be measured or counted in the form of numbers. OB. The class boundaries are 10 to less than 13, 13 to less than 16, 16 to less than 19, 19 to less than 22, and 22 to less than 25. Continuous data are in the form of fractional numbers. The data are discrete because the data can only take on specific values. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p For accuracy, carry the decimal answers to four decimal places.
State whether the data described below are discrete or continuous, and O A. The data are continuous because the data can take continuous, and explain why. According to a report, today, at least2.5 quintillion bytes of data are produced per day. The data are continuous because Name data sets that are quantitative discrete, quantitative continuous, and qualitative. A sample should have the same characteristics as the population it is representing. Measurement of height and weight of a student, Daily temperature measurement of a place, Wind speed measured daily, etc. Also, in both cases, not all students have a chance to be in either sample. Try this experiment twice. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. The prison populations of different countries ha Choose the correct answer below. In statistics, a sampling bias is created when a sample is collected from a population and some members of the population are not as likely to be chosen as others (remember, each member of the population should have an equally likely chance of being chosen). Position 1 is less than the distance from G to H in Position 2.
Answered: State whether the data described below | bartleby Most statisticians use various methods of random sampling in an attempt to achieve this goal. A. Therefore this is discrete data. Each method has pros and cons. A histogram is used to graphically represent continuous data. Complex numbers and fluctuating data values that be measured over a defined time frame are referred to as continuous data. Collecting data carelessly can have devastating results. The registrar at State University keeps records of the number of credit hours students complete each semester. These kinds of data can be considered in-between qualitative and quantitative data.
Determine whether the data are from discrete data or continuous data set. Convenience sampling involves using results that are readily available. Indicate whether quantitative data are continuous or discrete. The continuous variable can take any value within a range. Press ENTER 15 times and record the numbers. Starting with that student, every 50th student is chosen until 75 students are included in the sample.
State whether the data described below are discrete or continuous, and An administrative assistant is asked to stand in front of the library one Wednesday and to ask the first 100 undergraduate students he encounters what they paid for tuition the Fall semester. True random sampling is done with replacement. Zanas house is at A, 500 feet from the intersection, and Tan's house is at B, 750 feet from F. Which distance is longer, the distance from Zana's house to Tan's house or the distance from Theresa's house to Is house? It helps you in saving time later as you already have some knowledge about algebra. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. For example, if you randomly sample four departments from your college population, the four departments make up the cluster sample. All data that are the result of counting are called quantitative discrete data. The data are discrete because the data can only take on specific values.
Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang b. The colors of the houses are white, yellow, white, red, and white. For the purpose of analysis, data are presented as the facts and figures collected together. A type of sampling that is non-random is convenience sampling. The station wants to know if its audience would prefer more music or more talk shows. The weights (in tons) of the trees in a forestANSWERA.) Create a stratified sample by column. Indicate whether quantitative data are continuous or discrete. On your calculator, press Math and arrow over to PRB.
Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. 2003-2023 Chegg Inc. All rights reserved. Manufacturers regularly run tests to determine if the amount of beverage in a 16-ounce can falls within the desired range. A more technological way is for Lisa to first list the last names of the members of her class together with a two-digit number, as in Table \(\PageIndex{2}\): Lisa can use a table of random numbers (found in many statistics books and mathematical handbooks), a calculator, or a computer to generate random numbers. Sampling data should be done very carefully. Finite values have discrete data. There are no strict rules concerning which graphs to use. So is the case of statistics too. Statistical data needs to be critically analyzed, not simply accepted. The data are continuous because the data can only take on specific values. The second sample is a group of senior citizens who are, more than likely, taking courses for health and interest. These data can be represented on a wide variety of graphs and charts, such as bar graphs, histograms, scatter plots, boxplots, pie charts, line graphs, etc. Required fields are marked *. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. Get Into Data Science From Non IT Background, Data Science Solving Real Business Problems, Understanding Distributions in Statistics, Major Misconceptions About a Career in Business Analytics, Business Analytics and Business Intelligence Possible Career Paths for Analytics Professionals, Difference Between Business Intelligence and Business Analytics. The numbers of hotels in cities Choose the correct answer below. It is further classified as discrete data and continuous data. Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? Number of bacteria in a petri dish is 12,120. Data that can take a decimal value and can vary across a range is called . These data are represented mainly by a bar graph, number line, or frequency table. What type of data is this? Performance & security by Cloudflare. the data can only take on specific values . It is classified into two broad categories: qualitative data and quantitative data. However, in the real world age is often treated as a discrete variable because it makes more sense when collecting data and when reporting the results of a study. Doreen and Jung each take samples of 500 students. You sample five students. You can get study material, solved and unsolved questions, and also quizzes which will help you test your knowledge. Use the column numbers: one through six. The easiest method to describe is called a simple random sample. b. For the purpose of analysis, data are presented as the facts and figures collected together. Press ENTER. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. LBCC Distance Learning (DL) program data in 2010-2011. lastbaldeagle. Great Learning's Blog covers the latest developments and innovations in technology that can be leveraged to build rewarding careers. How to differentiate the obtained results as discrete and continuous data? You are going to use the random number generator to generate different types of samples from the data. The data are discrete because the data can take on any value in an interval. Conduct the survey by sitting in Central Park on a bench and interviewing every person who sits next to you. Instructions: Use the Random Number Generator to pick samples. feet, and 210 sq. Most samples are taken from large populations and the sample tends to be small in comparison to the population. Convenience sampling is a nonrandom method of choosing a sample that often produces biased data. Discrete vs continuous data are two broad categories of numeric variables. If these data-driven topics got you interested in pursuing professional courses or a career in the field of Data Science. 8. The Pareto chart has the bars sorted from largest to smallest and is easier to read and interpret. It is countable. Ordinal data is qualitative data for which their values have some kind of relative position. In today's changing times, pursuing a career in this subject is known to provide some of the most sought professional options. Ans: Ducks in a pond are discrete data because the number of ducks is a finite number. Probably not. O A. the number of data values is increased), their sample results (the average amount of time a student sleeps) might be closer to the actual population average. Data is classified into 4 types. Can I get some help? A defective counting device can cause a nonsampling error. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. Qualitative data tells about the perception of people.
Discrete and Continuous Data - Definitions, Examples - VEDANTU Two graphs that are used to display qualitative data are pie charts and bar graphs. There are a number of options if you go for the statistics degree. Question: State whether the data described below are discrete or continuous, and explain why. The students spend the following amounts: $180; $50; $150; $85; $260; $75; $180; $200; $200; $150. Common problems to be aware of include. The data are continuous because the data can take on any value in an interval . You will learn why when you study confidence intervals. State whether the data described below are discrete or continuous, and explain why. Many other courses are available online to master your foundational knowledge which may assist you later. Over time, some continuous data can change. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. B. we conducted an additional simulated control chart analysis to determine whether detection of this normal . Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). the number of classes you take per school year. The Other/Unknown category is large compared to some of the other categories (Native American, 0.6%, Pacific Islander 1.0%). Otherwise, the variable is nominal. D. The 1. Which experiment had the correct results? All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. Items a, e, f, k, and l are quantitative discrete; items d, j, and n are quantitative continuous; items b, c, g, h, i, and m are qualitative.