# <span lang="EN-US

Given,

No of observations, n = 10

Mean, We know,

Arithmetic mean of x1, x2, x3, …, xn (n observations) is For given data, x1 + x2 + x3 + …+x10 = 200 

Now, to find the mean of

x1+4, x2 + 8, …, xn + 40

No of terms, n = 10

Mean using above formula,     Hence, mean of new data is 42.6

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