the mean x of 17 observations is 92. what is sum of all the observations?
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mean = x
mean = sum of data/number of data
x = 92
number of data = 17
mean = sum of data/number of data
= sum of data/number of data = 92 = x
sum of data = number of data x 92
= 17 x 92
= 1564
Sum = 1564
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