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llustration 9.33. The following data represent travel expenses ( 'her than transportation) for 7 trips made during November by a saicsman of a small firm.

llustration 9.33. The following data represent travel expenses ( 'her than transportation) for 7 trips made during November by a saicsman of a small firm.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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Illustration 9.33. The following data represent travel expenses ('her than transportation) for 7 trips made during November by a saicsman of a small firm.
Transcribed Image Text:Illustration 9.33. The following data represent travel expenses ('her than transportation) for 7 trips made during November by a saicsman of a small firm.
Trip Days Expense Еxpense per day Rs. Rs 1 0.5 13.50 27.00 2.0 12,00 6.00 3.5 17.50 5.00 4 1.0 9.00 9.00 5 9.0 27.00 3.00 18,00 2.00 0,5 9.00 8.5 17.00 Total 25.0 105.00 70.00 An auditor crițicized these expenses as excessive, asserting that the average expense per day is Rs 10 (Rs 70 divided by 7). The salesman replied that the average is only Rs 4.20 (Rs 105 divided by 25) and that in any event the median is the appropriate measure and is only Rs 3.00. The auditor rejoined that the arithmetic mean is the appropriate measure, but the median is Rs 6.00. 1. Explain the proper interpretation of each of the four averages mentioned. 2. Which average seems to you appropriate? 67
Transcribed Image Text:Trip Days Expense Еxpense per day Rs. Rs 1 0.5 13.50 27.00 2.0 12,00 6.00 3.5 17.50 5.00 4 1.0 9.00 9.00 5 9.0 27.00 3.00 18,00 2.00 0,5 9.00 8.5 17.00 Total 25.0 105.00 70.00 An auditor crițicized these expenses as excessive, asserting that the average expense per day is Rs 10 (Rs 70 divided by 7). The salesman replied that the average is only Rs 4.20 (Rs 105 divided by 25) and that in any event the median is the appropriate measure and is only Rs 3.00. The auditor rejoined that the arithmetic mean is the appropriate measure, but the median is Rs 6.00. 1. Explain the proper interpretation of each of the four averages mentioned. 2. Which average seems to you appropriate? 67
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