QUESTION #3

At JSU, the SAT scores of entering students have had a mean of 940 (for the verbal and mathematics portions). Each year a sample of applications is taken to see whether the examination scores are at the same level as in previous years. You take a sample of 169 students in this year's class had a sample mean score of 990 and a standard deviation of 140. Perform a hypothesis test at the 5% level of significance and state your decision.

List:

1. State the H0

2. State the H1

3. Choose alpha

4. Choose n

5. Choose Test

6. Set up critical value(s)

7. Collect data

8. Compute test statistic and p-value

9. Make statistical decision

10. Express conclusion