Question

Last year, nine employees of an electronics company retired. Their ages at retirement are listed below. Find the mean retirement age. Round your answer to the nearest a needed 54, 68, 68, 54, 59, 58, 68, 57, 57

A. 59.7
B. 58.0
C. 59.0
D. 60.3

Answer 1

D. 60.3

Explanation:

Finding the mean,

M = (sum of values of data)/(number of data)

now, number of data = 9,

calculating the mean,

M = (54 + 68 + 68 + 54 + 59 + 58 + 68 + 57 + 57)/9

M = 543/9

M = 60.333

M = 60.3