Open book quiz! Use the formulas, tables, and figures in your book.
The grade point average for the students at the national campus in the Spring of 2000 was 2.12. A sample of 278 Pohnpeian female students had a grade point average of 1.99 with a sample standard deviation of 1.47. At a significance level alpha of a = 0.05, is the Pohnpei female average statistically significantly lower than the overall average?