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Anonymous
It is 37.
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-33
Sum(X) = 37 Sum(X2) = 289 Var(X) = Sum(X2) - sum(X)2/n = 289 - 37*37/5 = 15.20
It is: 3 times (37+45) = 246
That would be 24 and 61, sum: 24+61=85 and 61-24=37
n + 37