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Calculate the mean for the following data:8.2, 9.5, 10.3, 11.4, 12.4
Question

Calculate the mean for the following data:

8.2, 9.5, 10.3, 11.4, 12.4

A.

10.51

B.

10.7

C.

10.36

D.

10

Correct option is C

Given:

Data set: 8.2, 9.5, 10.3, 11.4, 12.4

Formula Used:

Mean =Sum of observationsNumber of observations \frac{\text{Sum of observations}}{\text{Number of observations}}

Solution:
Sum of observations = 8.2 + 9.5 + 10.3 + 11.4 + 12.4 = 51.8
Number of observations = 5

Mean = 51.85=10.36\frac{51.8}{5} = 10.36

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