1.

Which of the following helps determine the standard error for a confidence interval for a mean?

Select one:

a. The sample estimate.

b. The sample size(s).

c. The confidence level.

d. The true value of the population parameter.

2.

For the given statement, determine if the statement is a typical null hypothesis (H0) or alternative

hypothesis (Ha). There is no difference between the proportion of overweight men and overweight women in America.

Select one:

a. Alternative hypothesis

b. Null hypothesis

3.

The primary purpose of a Hypothesis test is to

Select one:

a. estimate the p-value of a sample.

b. decide whether there is enough evidence to support a research hypothesis about a population

c. estimate the p-value of a population.

d. decide whether there is enough evidence to support a research hypothesis about a sample.

Clear my choice

4.

For the given 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 2019, which was known to be 25%.

Select one:

a. Null hypothesis

b. Alternative hypothesis