Author Question: In hypothesis testing, which of the following is true? a. The null hypothesis is assumed to be ... (Read 72 times)

gbarreiro · **on:** Jul 8, 2018

In hypothesis testing, which of the following is true?

a. The null hypothesis is assumed to be true.
b. Researchers seek to reject the null hypothesis with 100 certainty.
c. p = 1.0 that a true null will be rejected or that a false null will be accepted.
d. The null hypothesis is the same as the research hypothesis.

Question 2

Which of the following is true regarding a 95 CI around a proportion?

a. If the actual proportion is .00, the lower limit of the CI is a negative value.
b. The theoretical distribution is more skewed when the proportion is .50 than when it is .10.
c. The closer the proportion is to .50, the wider the CI.
d. The larger the sample size, the wider the CI.