The mean of 8 numbers is 15.with the removal of a number the mean of remaining numbers is 14.find the removed number
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If the mean of 8 numbers is 15, the total of the 8 numbers is 8*15 = 120.
When a number is removed, the mean is 14. It means, the mean of 7 numbers is 14 and the total is 14 * 7 = 98.
Therefore, the 8th number is 120 - 98 = 22.
When a number is removed, the mean is 14. It means, the mean of 7 numbers is 14 and the total is 14 * 7 = 98.
Therefore, the 8th number is 120 - 98 = 22.
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