Author Question: For each statement, determine if the statement is a typical null hypothesis (H0) or alternative ... (Read 126 times)

jman1234 · **on:** Jul 24, 2018

For each statement, determine if the statement is a typical null hypothesis (H0) or alternative hypothesis (Ha). The proportion of second year college students who live in a dormitory has decreased from the proportion in 1999, which was known to be 25.
a. Null hypothesis
b. Alternative hypothesis

Question 2

Which one of the following statements is false?
a. The sampling distribution of any statistic becomes approximately normal for large sample sizes.
b. The sampling distribution of the sample mean becomes approximately normal for large sample sizes.
c. The sampling distribution of the sample mean is exactly normal if the observations are normally distributed.
d. The standard deviation of the sample mean decreases as the sample size increases.