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What is the mean of the data 2, 5, 4, 1, 8?
Question

What is the mean of the data 2, 5, 4, 1, 8?

A.

5

B.

4

C.

20

D.

3

Correct option is B

Given:

Data set = 2, 5, 4, 1, 8

Formula Used:

Mean =Sum of all data valuesNumber of data values= \frac{\text{Sum of all data values}}{\text{Number of data values}}

Solution:

Sum = 2 + 5 + 4 + 1 + 8 = 20

Mean =205=4 \frac{20}{5} = 4

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