Statistical Techniques in Business and Economics
Statistical Techniques in Business and Economics
18th Edition
ISBN: 9781260579611
Author: Douglas Lind; William Marchal; Samuel Wathen
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 1, Problem 17CE

(a)

To determine

To calculate: The difference between the 2017 sales to the 2018 sales for each company and obtain the sales has increased and decreased.

(b)

To determine

To calculate: The percentage change in sales.

(c)

To determine

To draw: A bar graph to show both the data for the top 10 manufacturers and to show the percentage change for the top 10 companies. Also, compare the graphs.

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