Intelligent test of two groups of boys and girls gives result

Posted on 2014-04-25 07:28:00 in Statistics by LEO

Intelligent test of two groups of boys and girls gives the following result:

Girls:      Men      84           S.D.        10           n = 121

Boys:     Mean    81           S.D.        12            n = 81

1. 
   Is the difference in mean scores significant?


2. 
   Is the difference between standard deviation significant?

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