The Description of the Data:

These data represent information gathered from 40 freshmen who have just completed their first year of college study. The data consists of the student's SAT score and their at the conclusion of the first academic year. To be included, the student must have been enrolled full time both first and second semester. Full time qualification means that the student must be carrying at least twelve semester hours but not more than eighteen semester hours.

The variables are:

•      sat = SAT scores
•      grades = GPA at the conclusion of first academic year

You are to interpret the results of  these two varibles to produced a more comprehensive descriptive statistic display  which now includes confidence intervals for the mean as well as skew and kurtosis (whether the curve tends to be peaked or flat).

      Statistics  --  Summarize --  Explore

A. Place SAT and Grades in your dependent list
B. Display the "statistics" only [click on button]
C. Click on statistics choice and make sure that 95% confidence interval is identified.

Interpretation:
You are to interpret the results using your previous skills and now add the confidence interval.
 

ver 1-00