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1.What comparison is being made in a hypothesis test?

a.​Research results from a population and a hypothesis about asample

​b.Research results from a population and a hypothesis about thepopulation

​c.Research results from a sample and a hypothesis about apopulation

​d.Research results from a sample and a hypothesis about thesample

2.If a sample is given a treatment and used for a hypothesistest, what would the null hypothesis (H0) say?​

​a.The treatment causes a change in the scores

​b.The treatment will have no effect on the scores

​c.The treatment multiplies each score by a constant

​d.The treatment adds a constant to each score

3.A researcher selects a sample and administers a treatment tothe individuals in the sample. If the sample is used for ahypothesis test, what does the alternative hypothesis(H₁) say about the treatment?

​a.The treatment multiplies each score by a constant.

​b.The treatment causes a change in the scores.

c.​The treatment has no effect on the scores.

​d.The treatment adds a constant to each score

4.The alpha level is

a.set prior to doing the research.

b.the significance level of a test.

c.our criterion to compare are actual p-value to so we candetermine if we have statistical significance.

d.All answers are correct

5.The critical boundaries for a hypothesis test are z =+1.96 and -1.96. If the z-score for the sample data isz = -1.90, what is the correct statistical decision?​

a.Reject H₀

​b.Reject H₁

​c.Fail to reject H₁

​d.Fail to reject H₀