You complete a hypothesis test using = .05, and based on the evidence from the sample, your decision is to fail to reject the null hypothesis. If the treatment actually does have an effect, which of the following is true?
a. You have made a Type I error.
b. You have made a Type II error.
c. You might have made a Type I error, but the probability is only 5 at most.
d. You have made the correct decision.
Question 2
If a treatment has a very small effect, what is a likely outcome for a hypothesis test evaluating the treatment?
a. A Type I error
b. A Type II error
c. Correctly reject the null hypothesis
d. Correctly fail to reject the null hypothesis
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