On the other hand, if we count large quantities of any discrete entity. The data are discrete because the data can only take on specific values. You have to be dedicated. It is not possible to measure qualitative data in terms of. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. It can be the version of an android phone, the height of a person, the length of an object, etc. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum. Random sampling methods include simple random sampling, stratified sampling, cluster sampling, and systematic sampling. The exact lengths (in kilometers) of the ocean coastlines of different countries is a continuous variable because it can take on any value in an interval. Solved State whether the data described below are discrete - Chegg Amount of money, pulse rate, weight, number of people living in your town, and number of students who take statistics are examples of quantitative data. The type of data that has clear spaces between values is discrete data. Instead, we use a sample of the population. discrete because the data can only take on specific values . answer below. In the graph, the percentages add to more than 100% because students can be in more than one category. B. Then choose every fiftieth name thereafter until you have a total of 400 names (you might have to go back to the beginning of your phone list). the data can only take on specific values . The measure of Ris 5 greater than the measure of ZO. This is important to know when we think about what the data are telling us. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). This data helps a company analyze its business, design its strategies, and help build a successful data-driven decision-making process. For example, 16-ounce cans of beverage may contain more or less than 16 ounces of liquid. Data that can only take on certain values are discrete data. What type of data is this? Show how you know. MAT 131 - Descriptive Statistics Ch. 1.2 - Types of Data - Quizlet Convenience sampling is a nonrandom method of choosing a sample that often produces biased data. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. Surveys mailed to households and then returned may be very biased (they may favor a certain group). The numbers of programs installed on various computers ANSWERA.) The data are continuous because The weights (in pounds) of their backpacks are 6.2, 7, 6.8, 9.1, 4.3. Examples are lengths, temperature, etc. That is, a member of the population may be chosen only once. (a) Is the data discrete or continuous? Why? (b) Prepare a freq | Filo We might make different choices of what we think is the best graph depending on the data and the context. The number of classes a student missed. That is, once a member is picked, that member goes back into the population and thus may be chosen more than once. To choose a simple random sample of size three from the other members of her class, Lisa could put all 31 names in a hat, shake the hat, close her eyes, and pick out three names. The numbers of hotels in cities Choose the correct answer below. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. You should ask the doubt there and then clear it, analyze it and work on it. The job of the statistician is to see through the variability and draw appropriate conclusions. State whether the data described below are discrete or continuous, and explain why. a chemical reaction comma repeated several times Choose the correct discrete because the data can only. State whether the data described below are discrete or Data may come from a population or from a sample. 5 (2006). Position 1 is less than the distance from G to H in Position 2. The number of books in a rack is a finite countable number. Collaborative Exercise 1.2. The departments are the clusters. Therefore this is discrete data. Discrete data. The data are continuous because the data can take on any value in an interval. Think about what contributes to making Doreens and Jungs samples different. What can you conclude about the angles opposite these sides? Your instructor will give each group one six-sided die. The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. Your email address will not be published. How to differentiate the obtained results as discrete and continuous data? O A. The data are continuous because the data can only take on specific values . 5. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. Hint: Data that are discrete often start with the words "the number of.". To find out the most popular cereal among young people under the age of ten, stand outside a large supermarket for three hours and speak to every twentieth child under age ten who enters the supermarket. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). Doreen and Jung each take samples of 500 students. feet, 190 sq. The results of convenience sampling may be very good in some cases and highly biased (favor certain outcomes) in others. 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. To determine the average cost of a two-day stay in a hospital in Massachusetts, survey 100 hospitals across the state using simple random sampling. 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. Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. The continuous variable can take any value within a range. novel method for jointly modeling the evolution of discrete and All the members from these clusters are in the cluster sample. The bar graph is used to graphically represent discrete data. 2003-2023 Chegg Inc. All rights reserved. A. The durations of a chemical reaction comma repeated . The data will be quantitative, say 2+3 (=5) apples. By using simple random sampling, select states to be part of the cluster. the type of car you drive. Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. The data are discrete because the data can take on any value in an interval. The Pareto chart has the bars sorted from largest to smallest and is easier to read and interpret. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? Each random number may only contribute one class member. Work more on basics as they form the basis for many other concepts. It is classified into two broad categories: qualitative data and quantitative data. 3. a chemical reaction comma repeated several times Choose the correct The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. 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. The ordinal data only shows the sequences and cannot use for statistical analysis. Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang You measure continuous data. All members of the four departments with those numbers are the cluster sample. Since these samples are not representative of the entire population, is it wise to use the results to describe the entire population? Data is classified into 4 types. To choose a cluster sample, divide the population into clusters (groups) and then randomly select some of the clusters. Answered: State whether the data described below | bartleby Measuring angles in radians might result in such numbers as \(\frac{\pi}{6}\), \(\frac{\pi}{3}\), \(\frac{\pi}{2}\), \(\pi\), \(\frac{3\pi}{4}\), and so on. But graphs can be even more helpful in understanding the data. answer below. Why or why not? 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. Nominal and ordinal data can act as both discrete and continuous. The Data and Story Library, lib.stat.cmu.edu/DASL/Datafiles/USCrime.html (accessed May 1, 2013). Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. Dynamic models of epidemiology in discrete time taking into account Therefore this is discrete data. Statistics is a quite tough subject but for those who know how to use their mind, its the best one for them as it involves more practical knowledge and conceptual learning. Discrete vs. Continuous Data: Differences & Examples We are interested in the average amount of money a part-time student spends on books in the fall term. The safest route is to avoid the closest pair of islands. Measurements of the amount of beverage in a 16-ounce can may vary because different people make the measurements or because the exact amount, 16 ounces of liquid, was not put into the cans. Quantitative data are always numbers. Have some sleep, its important. Since this is the case, sampling without replacement is approximately the same as sampling with replacement because the chance of picking the same individual more than once with replacement is very low. Discrete and Continuous Data - Definitions, Examples - VEDANTU Over time, some continuous data can change. The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. The data are continuous because the data can take The Literary Digest Poll, Virtual Laboratories in Probability and Statistics, Gallup Presidential Election Trial-Heat Trends, 19362008, Gallup Politics. B. The data are continuous because the data can only take on specific values. There are distinct or different values in discrete data. Besides the chemistry course, some of them are also taking first-term calculus. 134.209.154.177 ), Ranking of people in a competition (First, Second, Third, etc. Record the three quiz scores in column one that correspond to these three numbers. It is from a continuousdata set because 218+ Consultants 4.7 Satisfaction rate PGP in Data Science and Business Analytics, PGP in Data Science and Engineering (Data Science Specialization), M.Tech in Data Science and Machine Learning, PGP Artificial Intelligence for leaders, PGP in Artificial Intelligence and Machine Learning, MIT- Data Science and Machine Learning Program, Master of Business Administration- Shiva Nadar University, Executive Master of Business Administration PES University, Advanced Certification in Cloud Computing, Advanced Certificate Program in Full Stack Software Development, PGP in in Software Engineering for Data Science, Advanced Certification in Software Engineering, PG Diploma in Artificial Intelligence IIIT-Delhi, PGP in Software Development and Engineering, PGP in in Product Management and Analytics, NUS Business School : Digital Transformation, Design Thinking : From Insights to Viability, Master of Business Administration Degree Program, 4 Types Of Data Nominal, Ordinal, Discrete and Continuous. Self-funded or self-interest studies: A study performed by a person or organization in order to support their claim. pair starts due east and then turns 50 toward north. Performance & security by Cloudflare. 24 people said theyd prefer more talk shows, and 176 people said theyd prefer more music. 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. on any value in an interval . State whether the data described below are discrete or? You sample five students. Which is the safest route for the ship? 1. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. The exact lengths (in kilometers) of the ocean coastlines of different countries. Use the column numbers: one through six. State whether the data described below are discrete or continuous, and explain why. The gender of a person, i.e., male, female, or others, is qualitative data. the data can only take on specific values . A soccer coach selects six players from a group of boys aged eight to ten, seven players from a group of boys aged 11 to 12, and three players from a group of boys aged 13 to 14 to form a recreational soccer team. on any value in an interval . You sample five gyms. If you and your friends carry backpacks with books in them to school, the numbers of books in the backpacks are discrete data and the weights of the backpacks are continuous data. The discrete data contain the values that fall under integers or whole numbers. The numbers of majors offered by colleges Choose the correct answer below. The percent columns make comparing the same categories in the colleges easier. Problems with samples: A sample must be representative of the population. State whether the data described below are discrete or continuous, and explain why. Math 227 - Statistics Flashcards | Quizlet Indicate whether quantitative data are continuous or discrete. For the purpose of analysis, data are presented as the facts and figures collected together. Data are individual items of information that come from a population or sample. Starting with that student, every 50th student is chosen until 75 students are included in the sample. Ungrouped frequency distribution of discrete data is performed against a single value. Intraobserver repeatability for a standardized protocol to quantify But still, their samples would be, in all likelihood, different from each other. Solved state whether the data is continous or discrete The | Chegg.com Qualitative or Categorical Data is data that cant be measured or counted in the form of numbers. Its really normal for you to feel anxious before your exam especially when the subject is statistics. The LibreTexts libraries arePowered by NICE CXone Expertand are supported by the Department of Education Open Textbook Pilot Project, the UC Davis Office of the Provost, the UC Davis Library, the California State University Affordable Learning Solutions Program, and Merlot. Do you think that this sample is representative of (or is characteristic of) the entire 20,000 listener population? State whether each situation is categorical or quantitative. For the purpose of analysis, data are presented as the facts and figures collected together. The data are discrete because the data can take on any value in an interval. What is the main difference between discrete and continuous data? Most of these students are, more than likely, paying more than the average part-time student for their books. feet, and 210 sq. I want to study the topic of Statistics for my college-level exams? State whether the data described below are discrete or continuous, and c. Samples that contain different individuals result in different data. Sampling data should be done very carefully. Data that takes distinct values and cannot be in decimals is called discrete data. State whether the data described below are discrete or continuous, and explain why: . These data are represented mainly by a bar graph, number line, or frequency table. Pick three quiz scores randomly from each column. a. , i.e. It answers the questions like how much, how many, and how often. For example, the price of a phone, the computers ram, the height or weight of a person, etc., falls under quantitative data. Determine whether the value is from a discrete or continuous It is from a discrete data set because the number of possible values is infinite and countable. Solved State whether the data described below are discrete - Chegg The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. For example, call-in surveys are invariably biased, because people choose to respond or not. A continuous data set because there are infinitely many possible values and those values cannot be counted. If there is a repeat press ENTER again. A high school principal polls 50 freshmen, 50 sophomores, 50 juniors, and 50 seniors regarding policy changes for after school activities. 13. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. Section 1-2 Practice Problems Flashcards | Quizlet The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. Step 2: Discrete and continuous data. Record the quiz scores that correspond to these numbers. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. B. You are going to use the random number generator to generate different types of samples from the data. Besides herself, Lisas group will consist of Marcierz, Cuningham, and Cuarismo. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). Create a cluster sample by considering each state as a stratum (group). The data are discrete because the data can take on any value in an interval. Sample size issues: Samples that are too small may be unreliable. You cannot expect your brain to work nicely with hundreds of thoughts, it will only create a mess. 2013 - 2023 Great Lakes E-Learning Services Pvt. For example, it does not make sense to find an average hair color or blood type. They spend: $50; $40; $36; $15; $50; $100; $40; $53; $22; $22. c . . It includes only those values which are separate and can only be counted in whole numbers or integers, which means that the data can not be split into fractions or decimals. Discrete is data that can take only certain values. Note: randInt(0, 30, 3) will generate 3 random numbers. Determine whether the data described below are qualitative or quantitative and explain why: . It helps you in saving time later as you already have some knowledge about algebra. Press 5:randInt( and enter 1, 60). Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. It is further classified as discrete data and continuous data. C. The data are Quick Check Introduction to Data Science. Variation is present in any set of data. Ltd. All rights reserved. O A. The data are the number of machines in a gym. Press MATH. Our choice also depends on what we are using the data for. O C. The data are continuous because the data can. Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. The data are discrete because the data can take on any value in an interval. The second pair starts due west and then turns 40 toward south. Answered: State whether the data described below | bartleby The key difference between discrete and continuous data is that discrete data contains the integer or whole number. There are no strict rules concerning which graphs to use. Other well-known random sampling methods are the stratified sample, the cluster sample, and the systematic sample. A pollster interviews all human resource personnel in five different high tech companies. True random sampling is done with replacement. To four decimal places, these numbers are not equivalent. Every value within a range is included in continuous data. Record these numbers. The weights (in tons) of the trees in a forestANSWERA.) This data helps market researchers understand the customers tastes and then design their ideas and strategies accordingly. Then survey every U.S. congressman in the cluster. Most samples are taken from large populations and the sample tends to be small in comparison to the population. What type of data is this? Record the number. You can also visit their website. Ra The discrete data are countable and have finite values; their subdivision is not possible. OC. state whether the data is continous or discrete The durations of The numbers of hotels in cities Choose the correct answer below. Also, in both cases, not all students have a chance to be in either sample. Also read: 22 Top Data Science Books Learn Data Science Like an Expert. This is completely natural. Look at Figures \(\PageIndex{3}\) and \(\PageIndex{4}\) and determine which graph (pie or bar) you think displays the comparisons better. Continuous data represents information that can be divided into smaller levels. The action you just performed triggered the security solution. It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. How to Calculate the Percentage of Marks? These data consist of audio, images, symbols, or text. The color of hair can be considered nominal data, as one color cant be compared with another color.