Conduct a two-tailed hypothesis test given the information below.
Assuming that the population variances are equal for male and female Grade Point Averages (GPA), use the following sample data to test whether the averages are different at the 0.05 level of significance.
Male GPA’s Female GPA’s
Sample Size 17 15
Sample Mean 3.8 3.95
Sample Standard Deviation .5 .7
Recently Asked Questions
- People wanting to use their mobile devices at work is part of a trend called _____________ .
- On January 1 , a company has no opening inventory balance . The following purchases are made during the year :
- River Tours has 7.5 percent coupon bonds that pay interest semiannually . The face value of each bond is $ 1,000 and the current market price is $ 1,012.20 .