In a Study Comparing Adult Men and Adult Women,if the Mean

Multiple Choice

In a study comparing adult men and adult women,if the mean score of the men is 4.5 and
The mean score of the women is 6.5,and if the standard deviation of the group
Of 49 men is 5.3 while the standard deviation of the 64 women is 4.8,what is the approximate value of the Z-test result for these data?

A) + 2.64
B) ─ 2.06
C) + 4.32
D) ─ 4.32
E) + 2.84