22. You have 15 employees working for you: Bob, Sue, Jim, Alex, DJ, Ann, Lesie,

Question

22. You have 15 employees working for you: Bob, Sue, Jim, Alex, DJ, Ann, Lesie, Tami, Ellen, and Katie. Use the following set called Minitab) to take a simple random sample of 3 employees to serve 1453131401146111619116112 employees in the order given when you assign numbers to them and do not start with 1.) Ann, Leslie, Eric, Deb, Tom, Clint, Richard, of random numbers (generated from the computer program on the donut committere 912015. Which employees got chosen for the donut committee? (Keep the numbering with O, start a. Ellen, Tami, Bob b. Ellen, Tami, Ellen c. Bob, Alex, D d. None of the above 23. Which of the following describes an experiment? a. b. Create differences in the explanatory variable and then examine the results Observe differences in the explanatory variable and then notice whether these are related to differences in the response variable. c. Both a) and b) are experiments d. Neither a) nor b) are experiments 24. Which of the following defines what is meant by a control group in an experiment? A group that is handled identically to the treatment group(s) in all respects except that they are controlled to a greater extent than the other groups, providing baseline data. a. b. A group that is used by researchers to monitor how the experiment is going c. A group that is handled identically to the treatment group[s) in all respects except that they don't receive the active treatment. None of the above. d. 25. Which of the following influences on the experimental units can bias the results of an experiment? a. Placebo effect b. Hawthorne effect C. Not being blinded d. All of the above 26. Without random sampling, which of the following can happen? Naturally occurring confounding variables can result in an apparent relationship between the explanatory and response variables. The results may not be able to be extended to a larger population. The researchers will have a much easier time getting participants for their study, resulting ina larger sample size, and more accurate data. None of the above a. b. c. d.

Explanation / Answer

22.

a. Ellen, Tami, Bob
b. Ellen, Tami, Ellen
c. Bob, Alex, DJ
d. None of the above
ANSWER: a.

23. Option a. is correct.

Because

In an experiment, we create differences in the explanatory variable and then examine the results
In an observational study, we observe differences in the explanatory variable and then notice whether these are related to differences in the response variable

Hope this will be helpful. Thnaks and God Bless You :) Remianing questions please post it saperately.

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