In: Statistics and Probability
Sample annual salaries (in thousands of dollars) for employees at a
company are listed.
54 49...
Sample annual salaries (in thousands of dollars) for employees at a
company are listed.
54 49 44 51 32 32 54 49 44 30 51 54 48
(a) Find the sample mean and the sample standard
deviation.
(b) Each employee in the sample is given a 6% raise. Find the
sample mean and the sample standard deviation for the revised data
set.
(c) To calculate the monthly salary, divide each original salary by
12. 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)?