7.Give an example ofa)a type of survey where cluster sampling would be a good choiceb)a type of survey where stratified random sampling would be a good choicea type of survey for which you might choose systematic sampling

Step 1: Let's explore examples for each type of sampling: a) Cluster Sampling:Scenario: A market…

Answered: 7. Give an example of a) a type of…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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3. In your own words, thoroughly explain how a sampling distribution of a sample can be constructed
Suppose you recruit the next 100 people who visit the DCC cafeteria to participate in a survey. One of the questions you ask is whether the student eats on campus (i.e., in the cafeteria) regularly, and you want to use the sample proportion to estimate the value of the (population) proportion of all DCC students who eat on campus regularly. Do you think this sampling method is likely to be biased? If so, in which direction? This sampling method is not likely to be biased and will produce a representative sample of DCC students. This sampling method is biased and is likely to yield an overestimate for the population proportion. This sampling method is biased and is likely to yield an underestimate for the population proportion.
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Match the sampling scheme to an example of that type of sampling. Group of answer choices Simple Random Sample (SRS), without replacement Simple Random Sample (SRS), with replacement Stratified Cluster Systematic Voluntary Response Judgment AC Randomly selecting a group or small…
A marketing expert for a particular chain of restaurants is planning a survey in which 510 people will be randomly selected from each age group: 10-19, 20-29, and so on. What type of sampling is used? Convenience sampling Simple random sampling Systematic sampling Stratified sampling Cluster sampling Is the procedure likely to yield a representative sample or a biased sample? Explain why. A. The procedure is likely to yield a representative sample because it covers every age group. B. The procedure is likely to be biased because people from those age groups are not evenly distributed throughout the population. C. The procedure is likely to yield a biased sample because younger people don't know what they want and should be studied separately. D. The procedure is likely to be representative because 510 people from each age group form a large sample size.
Calculating sample variance requires a slight modification in the formula as compared to calculate in population variance. Why? a) the population parameter is equal to the sample statistic b) the sample variability is too difficult to measure directly c) samples have systematically more variability than the populations from which they are drawn d) samples have systematically less variability than the populations from which they are drawn
Suppose you are hired to design how to implement a survey to try to predict who will win the race for mayor in the city of Modesto. While someone else will be writing the survey questions, you are in charge of making sure that the sampling method is not biased (otherwise the results are invalid). You decide to use stratified sampling to get a sample that represents the population. You are told that you need to subdivide the population into four or more subgroups. 1. Describe how you will subdivide the population into four or more subgroups. Explain. 2. Explain how you will be choosing the people that will be part of your sample.
Answer #1A and #1B 1A. Which of the following is NOT true about cluster random sampling? Choose below: Sampling frame is the list of elements in the selected clusters. It is included in our sample all elements in the selected clusters. The clusters should ideally reflect the profile of the population. The population is divided into clusters and then take a sample of clusters. 1B. Systematic sampling is convenient to use in Statistics EXCEPT: Choose below: The sampling procedure does not require a randomization mechanism. We do not need a frame in selecting the elements. It is easy to get the sample elements since we get every kth element. Transportation cost is low.
18. Suppose a researcher conducts a study on the relationship between hours of exercise per week and grade point average at a certain university. To be sure to get an equal number of men and women in the sample, the researcher divides the population into men and women and then randomly selects 200 men and 200 women for the study. What sampling technique did the researcher use? A. Simple Random SamplingB. Proportional Stratified Random SamplingC. Stratified Random SamplingD. Convenience Sampling

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7. Give an example of a) a type of survey where cluster sampling would be a good choice b) a type of survey where stratified random sampling would be a good choice a type of survey for which you might choose systematic sampling