1. Which of the following is a statement of equality? Choose one answer.
a. Research hypothesis b. Nondirectional hypothesis c. Directional hypothesis d. Null hypothesis
2. If the obtained value is greater than the critical value, what should you do? Choose one answer.
a. Reject the null hypothesis b. Accept the null hypothesis c. Set a high p value d. Increase your sample
3. If the scores on a test have a mean of 26 and a standard deviation of 4, what is the zscore for a score of 18? Choose one answer.
a. –2 b. 11 c. 2 d. –1.41