You want to investigate a claim that women are more likely than men to dream in

Question

You want to investigate a claim that women are more likely than men to dream in color. You take a random sample of men and a random sample of women and ask whether they dream in color, and compare the proportions of each sex that dream in color.

In designing the study, the researchers found a random sample of women and random sample of men. Which of the following is the main purpose of this use of randomness in the study?

a. to allow them to draw a cause-and-effect conclusion from the study

b. to allow them to generalize their results to larger populations

c. to simulate values of the statistic under the null hypothesis

d. To replicate the study and increase the accuracy of the results

e. Other:

Explanation / Answer

C.) To simulate values of the statistic under the null hypothesis.

Its a myth that a random sample will be representative of the population. The real reason is that the mathematical theorems which justify most frequentist statistical procedures apply only to random samples.

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