Sample annual salaries (in thousands of dollars) for employees at a company are listed. 52 36 50 61 33 33 52 36 50 31 61 52 42 (a) Find the sample mean and sample standard deviation. (b) Each employee in the sample is given a 6% raise. Find the sample mean and 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 sample standard deviation for the revised data set. (d) What can you conclude from the results of (a), (b), and (c)?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 11PPS
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Question 1) a-d

Sample annual salaries (in thousands of dollars) for employees at a company are listed.
52 36 50 61 33 33 52 36 50 31 61 52 42
(a) Find the sample mean and sample standard deviation.
(b) Each employee in the sample is given a 6% raise. Find the sample mean and 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 sample standard
deviation for the revised data set.
(d) What can you conclude from the results of (a), (b), and (c)?
Transcribed Image Text:Sample annual salaries (in thousands of dollars) for employees at a company are listed. 52 36 50 61 33 33 52 36 50 31 61 52 42 (a) Find the sample mean and sample standard deviation. (b) Each employee in the sample is given a 6% raise. Find the sample mean and 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 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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