(7 points) A statistics student at a small liberal arts college who is curious a

Question

(7 points) A statistics student at a small liberal arts college who is curious about the relationship between the amount of time students at his college spend on social networking sites and their performance at school decides to conduct a survey. Four research strategies for collecting data are described below. In each, name the sampling method proposed and any bias you might expect. Strategy 1: He obtains a list of the 1500 students at the college. He chooses a random number k between 1 and 15 and then samples that person and every kth person on the list. He emails the survey to each of the people in the sample and asks them to complete it by next Friday. 1. What is the sampling method? A. Stratified sampling O B. Systematic sampling C. Simple random sampling D. Convenience sampling E. Cluster sampling 2. What type of bias would you expect? (check all that apply) A. No bias in this survey B. Selection bias C. Nonresponse bias D. Response bias

Explanation / Answer

1) Systematicsampling

2) Non Response bias

3) Convenience sampling

4) Response bias and Selection bias

5) SimpleRandom sampling

6) No bias in this survey

7) Strategy 3

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