Shifting Data Sample annual salaries (in thousands of
Chapter 2, Problem 54E(choose chapter or problem)
Problem 54E
Shifting Data Sample annual salaries (in thousands of dollars) for employees at a company are listed.
40 |
35 |
49 |
53 |
38 |
39 |
40 |
37 |
49 |
34 |
38 |
43 |
47 |
(a) Find the sample mean and the sample standard deviation.
(b) Each employee in the sample receives a $1000 raise. Find the sample mean and the sample standard deviation for the revised data set.
(c) Each employee in the sample takes a pay cut of $2000 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)?
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