Q: State whether the data below are discrete or continuous, explain why. It may take any numeric value, within a potential value range of finite or infinite. Determine whether the given value is from a discrete or continuous data It is a good idea to look at a variety of graphs to see which is the most helpful in displaying the data. Record the number and the first quiz score. Points in a graph of the discrete function remain unconnected. y's house is at D, 750 feet from the intersection. Hair color, blood type, ethnic group, the car a person drives, and the street a person lives on are examples of qualitative data. To choose a systematic sample, randomly select a starting point and take every nth piece of data from a listing of the population. It is also important to know what kind of plot is suitable for which data category; it helps in data analysis and visualization. Notice that the frequencies do not add up to the total number of students. It would be great if you already have a bit of knowledge about a course before opting for it. If there is a repeat press ENTER again. Intraobserver repeatability for a standardized protocol to quantify Data may be classified as qualitative, quantitative continuous, or quantitative discrete. A defective counting device can cause a nonsampling error. 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. Experts are tested by Chegg as specialists in their subject area. a. Conduct the survey by sitting in Central Park on a bench and interviewing every person who sits next to you. Because it is not practical to measure the entire population in a study, researchers use samples to represent the population. Since these samples are not representative of the entire population, is it wise to use the results to describe the entire population? 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. Is Age a Discrete or Continuous Variable? - Statology Misleading use of data: improperly displayed graphs, incomplete data, or lack of context. Problems with samples: A sample must be representative of the population. The data are discrete because the data can only take on specific values. The numbers of programs installed on various computers ANSWERA.) Then survey every U.S. congressman in the cluster. This variability in samples cannot be stressed enough. Biased samples that are not representative of the population give results that are inaccurate and not valid. Continuous data: When numerical data has . State whether the data described below are discrete or continuous, and explain why. 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. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). 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. The land areas of different countries Choose the correct answer below. Read the study carefully to evaluate the work. Quantitative data may be either discrete or continuous. data are discrete because the data can take on any value in an What type of data is this? 1: 23-54 (2012), ssh.dukejournals.org/content/36/1/23.abstract (accessed May 1, 2013). The following graph is the same as the previous graph but the Other/Unknown percent (9.6%) has been included. The quiz scores (20 of them) in these 2 columns are the cluster sample. Often, people with strong positive or negative opinions may answer surveys, which can affect the results. we conducted an additional simulated control chart analysis to determine whether detection of this normal . State whether the data described below are discrete or continuous, and explain why. Instead of that, just revise what youve already done. Think about what contributes to making Doreens and Jungs samples different. 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. a. Difference Between Continuous and Discrete Data, Questions on Discrete Data Continuous Data. 1. Ungrouped frequency distribution of discrete data is performed against a single value. Besides herself, Lisas group will consist of Marcierz, Cuningham, and Cuarismo. Examples: crash testing cars or medical testing for rare conditions, Undue influence: collecting data or asking questions in a way that influences the response. Data that can only take on certain values are discrete data. 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. b. If she needed to, Lisa could have generated more random numbers. 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. 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 weights (in tons) of the trees in a forestANSWERA.) a. Nominal and ordinal data can act as both discrete and continuous. a chemical reaction comma repeated several times Choose the correct 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. Each random number may only contribute one class member. It helps you in saving time later as you already have some knowledge about algebra. Factors not related to the sampling process cause nonsampling errors. Excelling your basic knowledge about the subject promotes conceptual learning and hence, you can easily get familiar with new concepts too. Your phone book contains 20,000 residence listings. This is true even when the samples are well-chosen and representative of the population. feet, 160 sq. 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. We all know that time is very important, it doesnt wait for anyone. Name data sets that are quantitative discrete, quantitative continuous, and qualitative. 4. Collaborative Exercise 1.2. 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. In each form of random sampling, each member of a population initially has an equal chance of being selected for the sample. A. The total number of students in a class is an example of discrete data. It was mentioned previously that two or more samples from the same population, taken randomly, and having close to the same characteristics of the population will likely be different from each other. Data is the new oil. Today data is everywhere in every field. The departments are the clusters. 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. You can also visit their website. When you analyze data, it is important to be aware of sampling errors and nonsampling errors. You should ask the doubt there and then clear it, analyze it and work on it. Neither would be wrong, however. No. There are several actions that could trigger this block including submitting a certain word or phrase, a SQL command or malformed data. The size of a sample (often called the number of observations) is important. Weights are quantitative continuous data because weights are measured. Data may come from a population or from a sample. Besides simple random sampling, there are other forms of sampling that involve a chance process for getting the sample. Ra Click to reveal Solved State whether the data described below are discrete - Chegg Sample size issues: Samples that are too small may be unreliable. 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. The Pareto chart has the bars sorted from largest to smallest and is easier to read and interpret. You sample five gyms. 2013 - 2023 Great Lakes E-Learning Services Pvt. Therefore this is discrete data. For example, in the case of statistics, algebra is a good option to learn before starting your statistics course. A high school educational researcher interviews 50 high school female teachers and 50 high school male teachers. These data take on only certain numerical values. Therefore this is discrete data. Doreen uses systematic sampling and Jung uses cluster sampling. C. The data are 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. 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. It is classified into two broad categories: qualitative data and quantitative data. Solved state whether the data is continous or discrete The | Chegg.com Press ENTER and record that number. There are several different methods of random sampling. Which pair is farther from camp? The data are continuous because the data can only take on specific values. Section 1-2 Practice Problems Flashcards | Quizlet These kinds of data can be considered in-between qualitative and quantitative data. These data cant be broken into decimal or fraction values. Press ENTER two more times for the other 2 random numbers. Here are a few steps to prepare well for your exam which has statistics as a part of the course. 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. Quantitative data can be expressed in numerical values, making it countable and including statistical data analysis. Save my name, email, and website in this browser for the next time I comment. State whether each situation is categorical or quantitative. Another example is learning how to use calculators. The numbers of hotels in cities Choose the correct answer below.
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