Melanie, a school psychologist, wants to compare the test scores of students in her school to the national average. Which is an appropriate order of some of the steps she should follow?

a. State the hypotheses; formulate the characteristics of the comparison distribution; identify populations, distribution, assumptions, and tests; calculate the test statistic; reject or fail to reject the null hypothesis.

b. Identify populations, distribution, assumptions, and tests; formulate the characteristics of the comparison distribution; calculate the test statistic; state the hypotheses; reject or fail to reject the null hypothesis.

c. Identify populations, distribution, assumptions, and tests; state the hypotheses; formulate the characteristics of the comparison distribution; calculate the test statistic; reject or fail to reject the null hypothesis.

d. Identify populations, distribution, assumptions, and tests; state the hypotheses; reject or fail to reject the null hypothesis; formulate the characteristics of the comparison distribution; calculate the test statistic.