Statistics and probability
Sample annual salaries in thousands of dollars for employees add a company are listed.
41, 45, 49, 53, 34, 34, 41, 45, 49, 30, 53, 41, 46
A. Find the sample mean in sample standard deviation.
B. Each employee in the sample is given a $5000 raise. Find the sample mean in 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 in the sample standard deviation for the revised data set.
D. What can you conclude from the results A,B, and C
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