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.

3. Suppose two different studies are conducted on this issue

-Study A finds that 40 of 100 women sampled dream in color, compared to 20 of    100 men

   -Study B finds that 35 of 100 women dream in color, compared to 25 of 100 men   

Which study (A or B) would provide stronger evidence that there is a genuine difference between men and women on this issue?

A. Study A

B. Study B

C. The strength of evidence would be similar for these two studies

Explanation / Answer

Study A shows stronger evidence as probability for women in A is 0.4 and that of men is 0.2. But for study B the probability differences are 0.35 and 0.25. So its clear A gives stronger evidence

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