Sample annual salaries (in thousands of dollars) for employees at a company are listed. 44 54 ...

Question

Question

Sample annual salaries (in thousands of dollars) for employees at a company are listed. 44 54 ...

Sample annual salaries (in thousands of dollars) for employees at a company are listed.

44

54

47

49

27

44

54

47

33

49

44

41

(a) Find the sample mean and sample standard deviation.

(b) Each employee in the sample is given a

$5000

raise. Find the sample mean and sample standard deviation for the revised data set.

(c) Each employee in the sample takes a pay cut of

$4000

from their original salary. Find the sample mean and the sample standard deviation for the revised data set.

(d) What can you conclude from the results of (a), (b), and (c)?

math Statistics-And-Probability

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