Author Question: Which statement is correct about a p-value? a. The smaller the p-value the stronger the evidence in ... (Read 145 times)

bb · **on:** Jul 24, 2018

Which statement is correct about a p-value?
a. The smaller the p-value the stronger the evidence in favor of the alternative hypothesis.
b. The smaller the p-value the stronger the evidence in favor the null hypothesis
c. Whether a small p-value provides evidence in favor of the null hypothesis depends on whether the test is one-sided or two-sided.
d. Whether a small p-value provides evidence in favor of the alternative hypothesis depends on whether the test is one-sided or two-sided.

Question 2

For results based on a small random sample from a bell-shaped distribution, the distribution of the sample mean is
a. not a bell-shaped distribution.
b. approximately a normal distribution.
c. approximately a standard normal (z-score) distribution.
d. a uniform distribution.