the mean of 16 observations is 8 find the new mean if 2 is multiplied by each observation
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There are 16 numbers, and their mean is 8.
Let their sum be S. So mean = S/16 =8.
If two is added to each number , the sum increases by 16 x 2 = 32.
To find the mean we divide by 16, so mean =
(S+32)/16 =8+2 =10
Hence the new mean is 10.
Let their sum be S. So mean = S/16 =8.
If two is added to each number , the sum increases by 16 x 2 = 32.
To find the mean we divide by 16, so mean =
(S+32)/16 =8+2 =10
Hence the new mean is 10.
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