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Basic Statistics for Business and Economics | 7th Edition | ISBN: 9780077384470 | Authors: Douglas Lind; William Marchal; Samuel Wathen
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The accounting department at a mail-order company counted

Chapter 3, Problem 8E

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QUESTION:

Problem 8E

The accounting department at a mail-order company counted the following numbers of incoming calls per day to the company's toll-free number during the first 7 days in May: 14,24, 19, 31, 36, 26, 17.

(a). Compute the arithmetic mean. (b). Indicate whether it is a statistic or a parameter.

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QUESTION:

Problem 8E

The accounting department at a mail-order company counted the following numbers of incoming calls per day to the company's toll-free number during the first 7 days in May: 14,24, 19, 31, 36, 26, 17.

(a). Compute the arithmetic mean. (b). Indicate whether it is a statistic or a parameter.

ANSWER:

Problem 8E

The accounting department at a mail-order company counted the following numbers of incoming calls per day to the company's toll-free number during the first 7 days in May: 14,24, 19, 31, 36, 26, 17.

(a). Compute the arithmetic mean. (b). Indicate whether it is a statistic or a parameter.

                                                               Step by Step Solution

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(a)

The arithmetic mean,

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