the mean of 9 numbers is 77 if one more number is added to it then the mean increases by 5 find the number added in the data.
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Sum of 9no. are 77×9=693
Mean of 10no. are 77+5=82
Sum of 10no. are 82×10=820
10th no. is 820-693=127.
mark as brainliest please
Mean of 10no. are 77+5=82
Sum of 10no. are 82×10=820
10th no. is 820-693=127.
mark as brainliest please
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