state whether the data is discrete or continuous
Doreen uses systematic sampling and Jung uses cluster sampling. The triangles show the position of the gate in relation to its closed position. These data cant be broken into decimal or fraction values. The data are continuous because the data can take on any value in an interval . There are particular calculators for different statistics exams and having good knowledge about their use and implementation would be great. 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. The discrete data contain the values that fall under integers or whole numbers. 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. 4. In some situations, having small samples is unavoidable and can still be used to draw conclusions. and it is subdivided into nominal and ordinal data. Create a systematic sample of 12 quiz scores. 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. Show Less. Notice that the frequencies do not add up to the total number of students. There are several different methods of random sampling. and the Michigan State University Institutional Animal Care and Use Committee prior to the start of data collection. For example, you can not have a natural order for apple, orange, and banana. Nominal Data is used to label variables without any order or quantitative value. The data are discrete because the data can take on any value in an interval. 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. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. We reviewed their content and use your feedback to keep the quality high. It is classified into two broad categories: qualitative data and quantitative data. What is the type of sampling in each case? Ra The numbers of hotels in cities Choose the correct answer below. a. . on any value in an interval . The data are continuous because the data can take on any value in an interval. The station wants to know if its audience would prefer more music or more talk shows. O B. pair starts due east and then turns 50 toward north. The bar graph is used to graphically represent discrete data. Discrete vs continuous data are two broad categories of numeric variables. State whether the data described below are discrete or continuous and explain why The amounts of time that different - Answered by a verified Tutor . Samples that contain different individuals result in different data. Which is the safest route for the ship? Press MATH. OC. The chart in Figure \(\PageIndex{6}\) is organized by the size of each wedge, which makes it a more visually informative graph than the unsorted, alphabetical graph in Figure \(\PageIndex{6}\). You sample five houses. classes and taking every fifth senior citizen on the list, for a total of ten senior citizens. All you can do right now is to just take a deep breath and believe in yourself! Data that can only take on certain values are discrete data. feet. Confounding makes it difficult or impossible to draw valid conclusions about the effect of each factor. the data can only take on specific values . This data helps a company analyze its business, design its strategies, and help build a successful data-driven decision-making process. Ungrouped frequency distribution of discrete data is performed against a single value. If she needed to, Lisa could have generated more random numbers. To determine the proportion of people taking public transportation to work, survey 20 people in New York City. Determine whether the data are from discrete data or continuous data set. The continuous data can be broken down into. Data from www.bookofodds.com/Relationsh-the-President. Your answer is correct. ), 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. Determine whether the given value is from a discrete or continuous data The points are associated with an unbroken line. Self-funded or self-interest studies: A study performed by a person or organization in order to support their claim. 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. Think about what contributes to making Doreens and Jungs samples different. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. 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. For example, if you randomly sample four departments from your college population, the four departments make up the cluster sample. Qualitative or Quantitative? Discrete or Continuous? | Ching-Chi Yang air. 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). Press ENTER. Each travels 2 miles, then changes direction and travels 1.2 miles. The color of hair can be considered nominal data, as one color cant be compared with another color. Now, suppose we take a third sample. The data are continuous because the data can only take on specific values. Most samples are taken from large populations and the sample tends to be small in comparison to the population. MAT 131 - Descriptive Statistics Ch. 1.2 - Types of Data - Quizlet Do you think that either of these samples is representative of (or is characteristic of) the entire 10,000 part-time student population? The list of fruit is nominal. LCM of 3 and 4, and How to Find Least Common Multiple, What is Simple Interest? Two positions of an open gate are shown. You should know how to manage your time and utilize it in the best way possible. Most statisticians use various methods of random sampling in an attempt to achieve this goal. Books for these classes tend to be expensive. Your email address will not be published. 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. Which experiment had the correct results? Starting with that student, every 50th student is chosen until 75 students are included in the sample. You'll find career guides, tech tutorials and industry news to keep yourself updated with the fast-changing world of tech and business. Your phone book contains 20,000 residence listings. Surveys are typically done without replacement. The station uses convenience sampling and surveys the first 200 people they meet at one of the stations music concert events. For these samples, each member of the population did not have an equally likely chance of being chosen. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. Show how you know. These data are used for observation like customer satisfaction, happiness, etc., but we cant do any arithmetical tasks on them. B. Answered: State whether the data discribed below | bartleby State whether the data described below are discrete or? novel method for jointly modeling the evolution of discrete and To four decimal places, these numbers are equivalent (0.0999). The data are discrete because the data can take on any value in an interval. Notice how much larger the percentage for part-time students at Foothill College is compared to De Anza College. Those 100 students are the sample. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital. Scott Keeter et al., Gauging the Impact of Growing Nonresponse on Estimates from a National RDD Telephone Survey, Public Opinion Quarterly 70 no. There are distinct or different values in discrete data. But graphs can be even more helpful in understanding the data. 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. B. Cloudflare Ray ID: 7a2992ec2e151da5 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. B. Data is classified into 4 types. It is countable. 5 (2006). Causality: A relationship between two variables does not mean that one causes the other to occur. A local radio station has a fan base of 20,000 listeners. Frequently Asked Questions, Pew Research Center for the People & the Press, www.people-press.org/methodolwer-your-polls (accessed May 1, 2013). If you feel tired at the moment, even that too is fine. C. Each method has pros and cons. The data . Quantitative data can be used for statistical manipulation. What type of data is this? A student interviews classmates in his algebra class to determine how many pairs of jeans a student owns, on the average. 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. State whether the data described below are discrete or continuous, and Q: Classify the Following as Discrete and Continuous Data. Dynamic models of epidemiology in discrete time taking into account Qualitative data tells about the perception of people. Quantitative data may be either discrete or continuous. The amount of money they spend on books is as follows: $128; $87; $173; $116; $130; $204; $147; $189; $93; $153. A. Statistics involves organizing, analyzing, interpreting, and representing data. continuous, and explain why. 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 areas of the lawns are 144 sq. the distance it is from your home to the nearest grocery store. Show More. These types of data are sorted by category, not by number. Data is the new oil. Today data is everywhere in every field. Even if Doreen and Jung used the same sampling method, in all likelihood their samples would be different. C. You can also visit their website. The first sample probably consists of science-oriented students. However the third random number, 0.14669, contains 14 (the fourth random number also contains 14), the fifth random number contains 05, and the seventh random number contains 04. For example, call-in surveys are invariably biased, because people choose to respond or not. Your instructor will give each group one six-sided die. As a rule, the larger the sample, the smaller the sampling error. 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. Qualitative data are generally described by words or letters. . Solved State whether the data described below are discrete - Chegg The data are the number of books students carry in their backpacks. Divide your college faculty by department. We might make different choices of what we think is the best graph depending on the data and the context. Numeric variables represent characteristics that you can express as numbers rather than descriptive language. The actual process of sampling causes sampling errors. The use of discrete and continuous quantitative variables would be helpful for detecting intervention effects . These 15 quiz scores are the systematic sample. Ducks in a pond are discrete data because the number of ducks is a finite number. The weights of the soups (19 ounces, 14.1 ounces, 19 ounces) are quantitative continuous data because you measure weights as precisely as possible. Compare the fractions 999/10,000 and 999/9,999. One-third of a number when decreased by 2 equals one-fifth of the nimenbe Find the number. Determine whether the value is from a discrete or continuous data set The data are continuous because the data can take on any value in an interval. according to measurement accuracy, it can be significantly subdivided into smaller sections. The discrete data are countable and have finite values; their subdivision is not possible. Determine the correct data type (quantitative or qualitative) for the number of cars in a parking lot. Legal. Weights are quantitative continuous data because weights are measured. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. Convenience sampling involves using results that are readily available. Whenever you face any problem the best solution is consulting the concerned teacher, you should never hesitate to ask for doubts. Discrete data: When numerical data has values that are countable and specific to a particular category, it is called discrete data. The number of books in a rack is a finite countable number. O A. Examples are lengths, temperature, etc. Because students can complete only a whole number of hours (no fractions of hours allowed), this data is quantitative discrete. 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. Also, in both cases, not all students have a chance to be in either sample. Hint: Data that are discrete often start with the words "the number of.". Number each department, and then choose four different numbers using simple random sampling. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). Lisa reads two-digit groups until she has chosen three class members (that is, she reads 0.94360 as the groups 94, 43, 36, 60). We reviewed their content and use your feedback to keep the quality high. You will learn why when you study confidence intervals. Keep counting ten quiz scores and recording the quiz score until you have a sample of 12 quiz scores. Instead of that, just revise what youve already done. They may be related (correlated) because of their relationship through a different variable. To four decimal places, these numbers are not equivalent. Intraobserver repeatability for a standardized protocol to quantify O C. The data are discrete because the data can take on any value in an interval. The Literary Digest Poll, Virtual Laboratories in Probability and Statistics, Gallup Presidential Election Trial-Heat Trends, 19362008, Gallup Politics. Data are individual items of information that come from a population or sample. No. What is the main difference between discrete and continuous data? we conducted an additional simulated control chart analysis to determine whether detection of this normal . Asking all 10,000 students is an almost impossible task. The type of data that has clear spaces between values is discrete data. Since these samples are not representative of the entire population, is it wise to use the results to describe the entire population? a chemical reaction comma repeated several times Choose the correct State whether the data described below are discrete or continuous and explain why The amounts of time that different brands' batteries last in a CD player. These values do not have to be complete numbers, but they are values that are fixed. So is the case of statistics too. It may take any numeric value, within a potential value range of finite or infinite. The land areas of different countries Choose the correct answer below. The data are the number of machines in a gym. Can we have both discrete data and continuous data from the same experiment? The duration of movies in minutes A.The data are continuous because the data can take on any value in an interval. Create a stratified sample by column. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. The two-digit number 14 corresponds to Macierz, 05 corresponds to Cuningham, and 04 corresponds to Cuarismo. A. The data he collects are summarized in the histogram. A bar graph is appropriate to compare the relative size of the categories. Required fields are marked *. 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. Accessibility StatementFor more information contact us atinfo@libretexts.orgor check out our status page at https://status.libretexts.org. Its really normal for you to feel anxious before your exam especially when the subject is statistics. Nominal data.Ordinal data.Discrete data.Continuous data. State whether the data described below are discrete or - JustAnswer Determine whether the data are from discrete data or continuous data set. For the purpose of analysis, data are presented as the facts and figures collected together. If you did the experiment a third time, do you expect the results to be identical to the first or second experiment? Three cell phone towers form APQR. Nominal Data is used to label variables without any order or quantitative value. According to a report, today, at least2.5 quintillion bytes of data are produced per day. Read the study carefully to evaluate the work. State whether the data described below are discrete or continuous, and explain why: . Evaluate it on its merits and the work done. These 18 quiz scores are a stratified sample. A random sample is a representative group from the population chosen by using a method that gives each individual in the population an equal chance of being included in the sample. Again, you sample the same five students. Quantitative data are the result of counting or measuring attributes of a population. QUESTIONState whether the data described below are discrete or continuous, and explain why. a. Continuous data represents information that can be divided into smaller levels. 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. Try this experiment twice. The prison populations of different countries ha Choose the correct answer below. 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). The data are continuous because the data can only take on specific values. 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. B. 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. 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. Compare the fractions 9/25 and 9/24. This data is so important for us that it becomes important to handle and store it properly, without any error. 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. I want to study the topic of Statistics for my college-level exams? Each student in the following samples is asked how much tuition he or she paid for the Fall semester. amount of money (in dollars) won playing poker, IQ scores (This may cause some discussion.). Statistics and Probability questions and answers, state whether the data is continous or discrete The durations of A pollster interviews all human resource personnel in five different high tech companies. A statistics professor collects information about the classification of her students as freshmen, sophomores, juniors, or seniors. Then survey every U.S. congressman in the cluster. Each student is chosen using simple random sampling. Sampling data should be done very carefully. The volumes left parenthesis in cubic feet right parenthesis of different rooms Choose the correct answer below. State whether the data described below are discrete or continuous, and explain why. Indicate whether quantitative data are continuous or discrete. 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. 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. Press 5:randInt( and enter 1, 60). Making a schedule/timetable or studying together with your peers may help you in focusing and keep you active.
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