Divide 84 a money box contains 1 coins, 2 coins, 5 coins and 10 coins 10 coins is four times the number of 1 coins. continuous, and explain why. A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. Save my name, email, and website in this browser for the next time I comment. However, generally, we use age as a discrete, NCERT Solutions for Class 12 Business Studies, NCERT Solutions for Class 11 Business Studies, NCERT Solutions for Class 10 Social Science, NCERT Solutions for Class 9 Social Science, NCERT Solutions for Class 8 Social Science, CBSE Previous Year Question Papers Class 12, CBSE Previous Year Question Papers Class 10. Your email address will not be published. Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? For example, suppose you have to do a phone survey. Discrete vs continuous data are two broad categories of numeric variables. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. classes and taking every fifth senior citizen on the list, for a total of ten senior citizens. As a rule, the larger the sample, the smaller the sampling error. Number each department, and then choose four different numbers using simple random sampling. B. A variable is said to be continuous if it can take on any value in an interval. Tips and Tricks to study Discrete and Continuous Data, Age is discrete data because we could be infinitely precise and use an infinite number of decimal places, rendering age continuous as a result. When a sampling bias happens, there can be incorrect conclusions drawn about the population that is being studied. All you can do right now is to just take a deep breath and believe in yourself! The data are discrete because the data can take on any value in an interval. 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. State whether the data described below are discrete or continuous, and explain why. You can also visit their website. feet. Compare the fractions 999/10,000 and 999/9,999. A study is done to determine the average tuition that San Jose State undergraduate students pay per semester. It is easy in many cases, discrete data is preceded by the number of, which makes the differentiation of results easier. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. 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. To four decimal places, these numbers are not equivalent. In this article, we have discussed the data types and their differences. The data are the colors of houses. The data are continuous because the data can take on any value in an interval. Each travels 2 miles, then changes direction and travels 1.2 miles. Divide your college faculty by department. Grouped distribution of continuous data tabulation frequencies is performed against a value group. This website is using a security service to protect itself from online attacks. However for practical reasons, in most populations, simple random sampling is done without replacement. The action you just performed triggered the security solution. It only contains finite values, the subdivision of which is not possible. However, generally, we use age as a discrete variable. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. Types of soups, nuts, vegetables and desserts are qualitative data because they are categorical. Doreen's sample will be different from Jung's sample. A.The data are continuous because the data can only take on the data can only take on specificvalues. This section will describe a few of the most common methods. The points are associated with an unbroken line. The circumferences (in inches) of people's heads Choose the correct answer below. For column 1, Press 5:randInt( and enter 1,10). The name nominal comes from the Latin name nomen, which means name. With the help of nominal data, we cant do any numerical tasks or cant give any order to sort the data. discrete because the data can only. Quantitative data may be either discrete or continuous. The departments are the clusters. What type of data is this? The data will be quantitative, say 2+3 (=5) apples. If these data-driven topics got you interested in pursuing professional courses or a career in the field of Data Science. A defective counting device can cause a nonsampling error. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. Tables are a good way of organizing and displaying data. Note: randInt(0, 30, 3) will generate 3 random numbers. . Nominal Data is used to label variables without any order or quantitative value. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. Why or why not? You sample five houses. We are interested in the average amount of money a part-time student spends on books in the fall term. You should know how to manage your time and utilize it in the best way possible. c. The data are continuous because the data can take on any value in an interval. The random numbers 0.94360 and 0.99832 do not contain appropriate two digit numbers. The exact lengths (in kilometers) of the ocean coastlines of different countries. Quantitative data can be used for statistical manipulation. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. For example, 16-ounce cans of beverage may contain more or less than 16 ounces of liquid. The gender of a person, i.e., male, female, or others, is qualitative data. according to measurement accuracy, it can be significantly subdivided into smaller sections. QUESTIONState whether the data described below are discrete or continuous, and explain why. The sample probably doesnt represent the entire fan base and is probably biased towards people who would prefer music. A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. Press ENTER 2 more times (even the repeats). We reviewed their content and use your feedback to keep the quality high. O A. The data are discrete because the data can only take on specific values. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. For some students, it might feel difficult as it involves logical thinking and mathematics but its a great option for those who love solving and putting their minds all into logic. Books for these classes tend to be expensive. . Two graphs that are used to display qualitative data are pie charts and bar graphs. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). For example, you can not have a natural order for apple, orange, and banana. Try to identify additional data sets in this example. The data are continuous because the data can only take on specific values . O A. These data take on only certain numerical values. The numbers of hotels in cities Choose the correct answer below. Is Age a Discrete or Continuous Variable? - Statology The result of the rolling is a dice is 1, 2, 3, 4, 5, 6, 7, and 8. The data are continuous because the data can only take on specific values. There are distinct or different values in discrete data. Ltd. All rights reserved. interval. Here are a few steps to prepare well for your exam which has statistics as a part of the course. The term discrete means distinct or separate. First, we use convenience sampling and survey ten students from a first term organic chemistry class. Work more on basics as they form the basis for many other concepts. You sample five students. State whether the data described below are discrete - Course Hero The data are continuous because the data can only take on specific values. The time(in minutes) it takes The time(in minutes) it takes A: It is given that the time (in minutes) it takes different students to drive to school from home. For the purpose of analysis, data are presented as the facts and figures collected together. Solved State whether the data described below are discrete - Chegg To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum. Samples that contain different individuals result in different data. The prison populations of different countries ha Choose the correct answer below. b. Samples of only a few hundred observations, or even smaller, are sufficient for many purposes. State whether each situation is categorical or quantitative. Now business runs on data, and most companies use data for their insights to create and launch campaigns, design strategies, launch products and services or try out different things. B. Math 227 - Statistics Flashcards | Quizlet The data are discrete because the data can only take on specific values. Biased samples that are not representative of the population give results that are inaccurate and not valid. 2003-2023 Chegg Inc. All rights reserved. 4 Types of Data - Nominal, Ordinal, Discrete, Continuous Results are the outcome of our efforts and if you believe that you have put your best, then you will surely be able to score good marks. Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. Using a calculator, random numbers are generated and a student from a particular discipline is selected if he or she has a corresponding number. Most of these students are, more than likely, paying more than the average part-time student for their books. We may prefer not to think of 10,00,100 and 10,00,102 as crucially different values, but instead as nearby points on an approximate continuum. air. Starting with that student, every 50th student is chosen until 75 students are included in the sample. The examples you have seen in this book so far have been small. The list of fruit is nominal. The numbers of countries in the world in different years Choose the correct answer below. Below are tables comparing the number of part-time and full-time students at De Anza College and Foothill College enrolled for the spring 2010 quarter. The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. 2013. 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. And this is the reason why most students find it to be an interesting subject. Three cell phone towers form APQR. If you're asked whether age is a continuous or discrete variable in an Introductory Statistics class, the correct answer is technically continuous. Points in a graph of the discrete function remain unconnected. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Experts are tested by Chegg as specialists in their subject area. the data can only take on specific values . Show how you know. 1.2.13 State whether the data described below are discrete or continuous and explain why.The times required by students to complete a statistics test Choose the correct answer below. Question: State whether the data described below are discrete or continuous, and explain why. MAT 131 - Descriptive Statistics Ch. 1.2 - Types of Data - Quizlet You can specify conditions of storing and accessing cookies in your browser. According to a report, today, at least 2.5 quintillion bytes of data are produced per day. The data are continuous because the data can take on any value in an interval. The data are discrete because the data can take on any value in an interval. The first The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. a. Additional Resources Read the study carefully to evaluate the work. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. Do not automatically assume that the study is good, but do not automatically assume the study is bad either. Continuous data. Statistics involves organizing, analyzing, interpreting, and representing data. Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active. Can we have both discrete data and continuous data from the same experiment? You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. The data are the number of books students carry in their backpacks. But graphs can be even more helpful in understanding the data. We all know that time is very important, it doesnt wait for anyone. Explain your reasoning. A random number generator is used to select a student from the alphabetical listing of all undergraduate students in the Fall semester. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. True random sampling is done with replacement. It may take any numeric value, within a potential value range of finite or infinite. the chance of picking the first person is 1,000 out of 10,000 (0.1000); the chance of picking a different second person for this sample is 999 out of 10,000 (0.0999); the chance of picking the same person again is 1 out of 10,000 (very low). For example, the number of subjects in a course, the number of families living in a block, the number of digits in a code, etc. For example, you could stratify (group) your college population by department and then choose a proportionate simple random sample from each stratum (each department) to get a stratified random sample. 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. Data that can take a decimal value and can vary across a range is called . Displaying percentages along with the numbers is often helpful, but it is particularly important when comparing sets of data that do not have the same totals, such as the total enrollments for both colleges in this example. It is further classified as discrete data and continuous data. Convenience sampling involves using results that are readily available. The colors red, black, black, green, and gray are qualitative data. O B. Determine whether the data described below are qualitative or quantitative and explain why: . 2013 - 2023 Great Lakes E-Learning Services Pvt. In polling, samples that are from 1,200 to 1,500 observations are considered large enough and good enough if the survey is random and is well done. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. Ungrouped frequency distribution of discrete data is performed against a single value. The data . There are two types of data: Qualitative and Quantitative data, which are further classified into: Now business runs on data, and most companies use data for their insights to create and launch campaigns, design strategies, launch products and services or try out different things. Collecting data carelessly can have devastating results. State whether the data described below are discrete or - JustAnswer 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. Then survey every U.S. congressman in the cluster. and it is subdivided into nominal and ordinal data. Create a stratified sample by column. State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . y's house is at D, 750 feet from the intersection. B. Therefore this is discrete data. Working with data requires good data science skills and a deep understanding of different types of data and how to work with them. feet, 190 sq. 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. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. State whether the data described below are discrete or continuous, and Continuous data: When numerical data has . where n is the number of tips in the phylogeny ( ) , P is the continuous trait value of each species, and Q is the expected value of each species given the continuous trait model calculated following Equation (11) of Beaulieu et al. The weights (in tons) of the trees in a forestANSWERA.) Discrete and Continuous Data - Definitions, Examples - VEDANTU Press ENTER 15 times and record the numbers. O C. Dominic Lusinchi, President Landon and the 1936 Literary Digest Poll: Were Automobile and Telephone Owners to Blame? Social Science History 36, no. Suppose we take two different samples. Once you are clear with the basic concept, you shall be able to understand additional concepts easily. It is not possible to measure qualitative data in terms of. Doreen uses systematic sampling and Jung uses cluster sampling. Work collaboratively to determine the correct data type (quantitative or qualitative). 2. It is understandable that it must be making you feel nervous right now but your emotions are valid! These data are represented mainly by a bar graph, number line, or frequency table. 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. The data are the areas of lawns in square feet. Continuous data is the data that can be of any value. Self-selected samples: Responses only by people who choose to respond, such as call-in surveys, are often unreliable. O A. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. , i.e. Learn data analytics or software development & get guaranteed* placement opportunities. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. on any value in an interval . The number of books in a rack is a finite countable number. Also, the sample represents only those who showed up to the event earlier than the majority. 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. OD. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. Procrastination isnt even the last option if you are preparing for a statistics exam. Discrete Data Examples: The number of students in a class, the number of chocolates in a bag, the number of strings on the guitar, the number of fishes in the aquarium, etc. Common problems to be aware of include. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. 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. The key difference between discrete and continuous data is that discrete data contains the integer or whole number. You will learn why when you study confidence intervals. B. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. Probably not. Discrete. Ducks in a pond are discrete data because the number of ducks is a finite number. You measure continuous data. 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. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. The data are continuous because the data can take If you sample without replacement, then the chance of picking the first person is ten out of 25, and then the chance of picking the second person (who is different) is nine out of 24 (you do not replace the first person). Each undergraduate student in the fall semester has the same probability of being chosen at any stage of the sampling process. The discrete data contain the values that fall under integers or whole numbers. The amount of money they spend on books is as follows: $128; $87; $173; $116; $130; $204; $147; $189; $93; $153.