If V is the variance and M is the mean of first 15 natural numbers, then what is V + M ^2 equal to?

Step-by-step solution

For first 15 natural numbers. Mean (M)= 15+1 2 =8 and V= n^2-1 12 = 224 12 = 56 3 V+M^2= 56 3 +64= 248 3