state whether the data is discrete or continuous

By

state whether the data is discrete or continuousnight clubs in grand baie, mauritius

Section 1-2 Practice Problems Flashcards | Quizlet The data are continuous because the data can only take on specific values . Your answer is correct. True random sampling is done with replacement. Since these samples are not representative of the entire population, is it wise to use the results to describe the entire population? These kinds of data can be considered in-between qualitative and quantitative data. O C. The data are continuous because the data can take on any value in an interval. Quantitative data may be either discrete or continuous. For example, the number of desks in an office, the number of times a dice is rolled, the number of telephone calls received, etc. Save my name, email, and website in this browser for the next time I comment. Statistics and Probability questions and answers, CS State whether the data described below are discrete or continuous, and explain why. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. But graphs can be even more helpful in understanding the data. Most of these students are, more than likely, paying more than the average part-time student for their books. A sample should have the same characteristics as the population it is representing. Doreen and Jung each take samples of 500 students. A. It only contains finite values, the subdivision of which is not possible. . 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. For qualitative data, if the list can be sorted naturally, we further specify it as an ordinal variable. Your phone book contains 20,000 residence listings. It is not possible to measure qualitative data in terms of numbers and it is subdivided into nominal and ordinal data. The data are continuous because the data can only take on specific values. Roll one fair die (six-sided) 20 times. The road from A to E and the road from C and D are perpendicular and intersect at point F. Theresa's house is at C, 500 feet from the intersection. 1.2: Variables and Types of Data - Statistics LibreTexts Variation is present in any set of data. Record the number of ones, twos, threes, fours, fives, and sixes you get in the following table (frequency is the number of times a particular face of the die occurs): Did the two experiments have the same results? A defective counting device can cause a nonsampling error. Dynamic models of epidemiology in discrete time taking into account In one study, eight 16 ounce cans were measured and produced the following amount (in ounces) of beverage: 15.8; 16.1; 15.2; 14.8; 15.8; 15.9; 16.0; 15.5. When you have a numeric variable, you need to determine whether it is discrete or continuous. Opinion poll posted online at: www.youpolls.com/details.aspx?id=12328 (accessed May 1, 2013). One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. The areas of the lawns are 144 sq. The data she collects are summarized in the pie chart Figure \(\PageIndex{1}\). The freshman, sophomore, junior, and senior years are numbered one, two, three, and four, respectively. All data that are the result of measuring are quantitative continuous data assuming that we can measure accurately. Performance & security by Cloudflare. To find the average GPA of all students in a university, use all honor students at the university as the sample. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Self-selected samples: Responses only by people who choose to respond, such as call-in surveys, are often unreliable. If you feel tired at the moment, even that too is fine. ), 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. ), Education Level (Higher, Secondary, Primary), Total numbers of students present in a class, The total number of players who participated in a competition. O A. A. The easiest method to describe is called a simple random sample. The amount a person grew (in height) in a year. b. Press ENTER. We need to evaluate the statistical studies we read about critically and analyze them before accepting the results of the studies. State whether the data described below are discrete or continuous, and Be aware that as you take data, your data may vary somewhat from the data someone else is taking for the same purpose. For example, it does not make sense to find an average hair color or blood type. C. The data are Press MATH. Most statisticians use various methods of random sampling in an attempt to achieve this goal. Over time, some continuous data can change. Record the number and the first quiz score. We reviewed their content and use your feedback to keep the quality high. The weights (in tons) of the trees in a forestANSWERA.) 2003-2023 Chegg Inc. All rights reserved. To do so, the ship must sail between two pairs of islands, avoiding sailing between a third p The data are discrete because the data can only take on specific values. If Doreen and Jung took larger samples (i.e. Is the study impartial? interval. The result of the rolling is a dice is 1, 2, 3, 4, 5, 6, 7, and 8. In reality, a sample will never be exactly representative of the population so there will always be some sampling error. Compared to nominal data, ordinal data have some kind of order that is not present in nominal data. Data that can take a decimal value and can vary across a range is called . O A. the data can only take on specific values . 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. These 18 quiz scores are a stratified sample. feet, 190 sq. 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. A completely random method is used to select 75 students. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. You should ask the doubt there and then clear it, analyze it and work on it. Thats why it is also known as Categorical Data. In today's changing times, pursuing a career in this subject is known to provide some of the most sought professional options. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. Each method has pros and cons. Quantitative data, on the other hand, is one that contains numerical values and uses a scope. Why or why not? discrete because the data can only. All students in those two years are in the sample. 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 only take on specific values. Click to reveal Every value within a range is included in continuous data. To choose a stratified sample, divide the population into groups called strata and then take a proportionate number from each stratum. Then survey every U.S. congressman in the cluster. Press ENTER. state whether the data is continous or discrete The durations of a chemical reaction comma repeated several times Choose the correct answer below. All data that are the result of counting are called quantitative discrete data. The data . OB. For example, call-in surveys are invariably biased, because people choose to respond or not. Problems with samples: A sample must be representative of the population. Answered: State whether the data discribed below | bartleby It can be the version of an android phone, the height of a person, the length of an object, etc. State whether the data described below are discrete or - JustAnswer 2003-2023 Chegg Inc. All rights reserved. Think about what contributes to making Doreens and Jungs samples different. discrete because the data can only take on specific values . In each form of random sampling, each member of a population initially has an equal chance of being selected for the sample. The numbers of hotels in cities Choose the correct answer below. Continuous information is information that falls into a continuous series. Legal. Factors not related to the sampling process cause nonsampling errors. The data are the number of machines in a gym. 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). The random numbers 0.94360 and 0.99832 do not contain appropriate two digit numbers. 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. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). This category contains people who did not feel they fit into any of the ethnicity categories or declined to respond. Compare the fractions 999/10,000 and 999/9,999. 4. Which is the safest route for the ship? OD. The three cans of soup, two packages of nuts, four kinds of vegetables and two desserts are quantitative discrete data because you count them. Now, suppose we take a third sample. The second sample is taken using a list of senior citizens who take P.E. Data may come from a population or from a sample. Otherwise, the variable is nominal. Collecting data carelessly can have devastating results. Required fields are marked *. You sample five students. O C. What is the main difference between discrete and continuous data? Determine whether the data are from discrete data or continuous data set. The height of a student from age 5-15 is continuous data because the height varies continuously from age 5-15 which is not a constant for 10 years. The ordinal data only shows the sequences and cannot use for statistical analysis. Data are individual items of information that come from a population or sample. The numbers of majors offered by colleges Choose the correct answer below. The numbers of hotels in cities Choose the correct answer below. Solved state whether the data is continous or discrete The | Chegg.com For example, suppose you have to do a phone survey. Solved State whether the data described below are discrete - Chegg The continuous data can be broken down into fractions and decimals, i.e. Be aware that many large samples are biased. Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. C. The data are The colors red, black, black, green, and gray are qualitative data. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? The data are the areas of lawns in square feet. However, generally, we use age as a discrete variable. It is classified into two broad categories: qualitative data and quantitative data. The registrar at State University keeps records of the number of credit hours students complete each semester. 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. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. B.The data are discrete because the data can only take on specific values. feet, 180 sq. 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. For instance, hair color might be black, dark brown, light brown, blonde, gray, or red. 5 (2006). Learn data analytics or software development & get guaranteed* placement opportunities. It may take any numeric value, within a potential value range of finite or infinite. State whether each situation is categorical or quantitative. The data are continuous because the data can take on any value in an interval . Compare the fractions 9/25 and 9/24. 5. Discrete is data that can take only certain values. This website is using a security service to protect itself from online attacks. Doreen's sample will be different from Jung's sample. Just as there is variation in data, there is variation in samples. The data are because.continuous the data can only take on specific values C. Number each department, and then choose four different numbers using simple random sampling. The measure of Ris 5 greater than the measure of ZO. Which pair is farther from camp? As a class, determine whether or not the following samples are representative. Work more on basics as they form the basis for many other concepts. O C. The data are continuous because the data can. Suppose Doreen and Jung both decide to study the average amount of time students at their college sleep each night. The continuous variable can take any value within a range. The data are discrete because the data can only take on specific values. For any particular sample of 1,000, if you are sampling with replacement. On your calculator, press Math and arrow over to PRB. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. 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. Most data can be put into the following categories: Qualitative data are the result of categorizing or describing attributes of a population. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. Solved State whether the data described below are discrete - Chegg a chemical reaction comma repeated several times Choose the correct . It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. Surveys mailed to households and then returned may be very biased (they may favor a certain group). B. Common problems to be aware of include. 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. ), Ranking of people in a competition (First, Second, Third, etc. Indicate whether quantitative data are continuous or discrete. Press ENTER 15 times and record the numbers. Height is continuous but we sometimes don't really worry too much about minor variations and club heights into a set of discrete data instead. Also, the sample represents only those who showed up to the event earlier than the majority. One gym has 12 machines, one gym has 15 machines, one gym has ten machines, one gym has 22 machines, and the other gym has 20 machines. The bar graph is used to graphically represent discrete data. Working on data is crucial because we need to figure out what kind of data it is and how to use it to get valuable output out of it. Instructions: Use the Random Number Generator to pick samples. Cloudflare Ray ID: 7a2992ec2e151da5 Record the number. The data are the weights of backpacks with books in them. a. What is the type of sampling in each case? 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. The exact lengths (in kilometers) of the ocean coastlines of different countries. The amount of money they spend on books is probably much less than the average parttime student. Your IP: the chance of picking the first person for any particular sample is 1000 out of 10,000 (0.1000); the chance of picking a different second person is 999 out of 9,999 (0.0999); you do not replace the first person before picking the next person. These values do not have to be complete numbers, but they are values that are fixed. O B. If all the money in the 555, find the number of 10 coins in it 12. Discrete. Press ENTER. Asking all 20,000 listeners is an almost impossible task. How to differentiate the obtained results as discrete and continuous data? The distance from G to H in If they are not, discuss the reasons. OOO O A. It is better for the person conducting the survey to select the sample respondents. They may be related (correlated) because of their relationship through a different variable. The option "B" is correct i.e. 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. You sample five houses. The data are continuous because the data can take on any value in an interval. Small letters like \(x\) or \(y\) generally are used to represent data values. The color of hair can be considered nominal data, as one color cant be compared with another color. You can go for many of the career options if you pursue stats, you can get detailed information about all of the above-mentioned choices and also many more careers on the online website of Vedantu which tells the full forms and also the detailed explanation of each one of them. Again, you sample the same five students. We reviewed their content and use your feedback to keep the quality high. What can you conclude about the angles opposite these sides? Discrete vs. Continuous Data: Differences & Examples Books for these classes tend to be expensive. Show how you know. 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. Solved State whether the data described below are discrete - Chegg Continuous data: When numerical data has . To determine the proportion of people taking public transportation to work, survey 20 people in New York City. One student has a red backpack, two students have black backpacks, one student has a green backpack, and one student has a gray backpack. Position 1 is less than the distance from G to H in Position 2. However, students shall understand that it is important for them to recognize their interests and based on that, select the best career path possible. Work collaboratively to determine the correct data type (quantitative or qualitative). novel method for jointly modeling the evolution of discrete and air. The Literary Digest Poll, Virtual Laboratories in Probability and Statistics, Gallup Presidential Election Trial-Heat Trends, 19362008, Gallup Politics. The total number of students in a class is an example of discrete data. Discrete data. It helps you in saving time later as you already have some knowledge about algebra. Two graphs that are used to display qualitative data are pie charts and bar graphs. The table displays Ethnicity of Students but is missing the "Other/Unknown" category. Divide into groups of two, three, or four. You can specify conditions of storing and accessing cookies in your browser. For example, 16-ounce cans of beverage may contain more or less than 16 ounces of liquid. Do you think that this sample is representative of (or is characteristic of) the entire 20,000 listener population? Ivy's house is at E, 750 feet from the intersection. A high school counselor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. , i.e. Create a stratified sample by column. a chemical reaction comma repeated several times Choose the correct Hint: Data that are discrete often start with the words "the number of." the number of pairs of shoes you own. Create a simple random sample of 15 quiz scores. Each travels 2 miles, then changes direction and travels 1.2 miles. And this is the reason why most students find it to be an interesting subject.

Determine Whether The Sequence Is Convergent Or Divergent Calculator, Melee Simulator Script Pastebin, Glynn Turman Wife, Why I Left The Holiness Movement, Articles S