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For n = 50, Σ50(xi-3) = 50, what is the mean?
Question

For n = 50, Σ50(xi-3) = 50, what is the mean?

A.

3

B.

4

C.

5

D.

50

Correct option is B

The mean is 4. 

Step 1: Expand the summation 

Step 2: Solve for the sum of xᵢ 

Step 3: Calculate the mean

The mean is 4.

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