Question: Choose a variable. Before collecting the data, decide what a likely average might be, then complete the following:

a. Write a brief statement of purpose of the study

b. Define the population

c. State the hypotheses for the study

d. Select an a value

e. State how the sample was selected

f. Show the raw data

g. Decide which statistical test is appropriate and compute the test statistic ( z or t ). Why is the test appropriate?

h. Find the critical values(s)

i. State the decision

j. Summarize the results.