The following is a list of the ages of employees at Hammer's Inc. Find the mean and the sample standard deviation of the ages of the employees. Round noninteger results to the nearest tenth.



a.  mean: 48.3

standart deviation: 15

b.  mean: 362.3

standart deviation: 112.7

c.  mean: 40.3

standart deviation: 12.5

d.  mean: 28.2

standart deviation: 8.8

e.  mean: 30.2

standart deviation: 9.4


c.  mean: 40.3
standart deviation: 12.5

Mathematics

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A. {-5, -10}
B.
C.
D.

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