Sample mean x= 13.85 Population mean = 12 Sample standard deviation s = 2.64 Sample size n = 33 Significance level = 0.01

Is the difference significant? Set alpha=.01. In your answer include: (Hint draw a random sample first and then do Descriptives to obtain the mean)

1. State the assumptions
2. The null and alternate hypotheses.
3. Establish the critical region.
4. Compute the test statistic.
5. Make a decision and conclusion.