18. Which of the following descriptions are correct? a. Increasing sample size f

Question

18. Which of the following descriptions are correct?

a. Increasing sample size from 5 to 25 will increase power to a greater degree than increasing sample size from 15 to 35.

b. Increasing sample size from 60 to 80 will increase power to the same degree as increasing sample size from 200 to 220.

c. Increasing sample size from 40 to 60 will decrease power to a greater degree than increasing sample size from 60 to 80.

d. Increasing sample size from 50 to 70 will decrease power to the same degree as increasing sample size from 70 to 90.

Explanation / Answer

Increasing sample size from 5 to 25 will increase power to a greater degree than increasing sample size from 15 to 35.

Option A is Correct

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