The scores for group one in a study are 4, 5, 6, and 7. The scores for group two are 8, 9, 10, 11, and 12. What would the point estimate be for an independent samples t test?
A) -4.50
B) +4.50
C) +8.00
D) 10.29

Question

Quizplus · Accepted Answer

The point estimate for an independent samples t-test is the difference between the means of the two groups. The mean of group one is (4+5+6+7)/4 = 5.5, and the mean of group two is (8+9+10+11+12)/5 = 10. The point estimate is 5.5 - 10 = -4.5.

The Scores for Group One in a Study Are 4