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> Q1. What is greater?
If the numbers were equal, the Average test score would be 85.5 (81+90)/2.
With the average test score being lower than this means there were more
people in the lower group.
--
Dana
"john" <johnboy98105@xxxxxxxxx> wrote in message
news:1167557963.377775.165150@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> These ones either I got them wrong or guessed and got them right.
>
> Q1:
>
> Average (arithmetic mean) of Test Scores in Class R
> Average scores for the boys 90
> Average scores for the girls 81
> Average scores for the class 84
>
> What is greater? The number of boys in the class who took the test or
> The number of girls in the class who took the test.
>
> A1: the number of girls took the test is greater.
>
> I got so confused on this... Some tips will be welcome
<snip>
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