SOLUTION: the mean of 15 scores is 82. If the mean of 7 of these scores is 78, what is the mean of the remaining 8 scores

SOLUTION: the mean of 15 scores is 82. If the mean of 7 of these scores is 78, what is the mean of the remaining 8 scores

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Question 1061508: the mean of 15 scores is 82. If the mean of 7 of these scores is 78, what is the mean of the remaining 8 scores
Answer by jorel555(1290) (Show Source): You can put this solution on YOUR website!
The mean of 15 scores is 82, or a total of 15x82=1230 points. The mean for 7 of those scores is 78, or 78x7=546 total points. 1230-546=684, divided by 8 equals 85.5 as the mean of the remaining 8 scores. ☺☺☺☺
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