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In A high school, the average score of 12 male students was 87.25, the standard deviation...
In A high school, the average score of 12 male students was 87.25, the standard deviation was 9.6, and the average score of eight female students was 97.25, the standard deviation was 3.65. Use a 0.10 signing level.
(a) Is there a difference in the scores of men and women in this school?
(b) Do women in this school score higher than men?
(Describe it in the following way. Ho, Ha, critical value, test value, P value)
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