The following data comparing GPAs based on seating position is provided:
ROUND TO FOUR DECIMAL PLACES
Position |
Front of Room |
Back of Room |
Sample Size |
52 |
47 |
Average GPA |
3.24 |
2.97 |
Population Standard Deviation |
.57 |
.49 |
a. What is the 98% confidence interval for the difference in GPAsbetween people who sit in the front of the room and the back of the room?
b. What is the test statistic for testing to see if there is a significant difference in GPAs between front of the room or back of the room seating?
Tired of numerous paper assignments?
Rely on us and receive professional paper writing assistance!
