Pearson eText for Engineering Economy -- Instant Access (Pearson+)
Pearson eText for Engineering Economy -- Instant Access (Pearson+)
17th Edition
ISBN: 9780137533138
Author: William Sullivan, Elin Wicks
Publisher: PEARSON+
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Chapter 3, Problem 20P

A company that manufactures shuttle cars and mines for the coal mining industry has determined that “coal production in the U.S.” is a fairly reliable three-quarter leading indicator of their sales. This quarter’s coal production in the United States can be obtained from the Department of Energy and it is used to obtain a forecast of their shuttle car and miner sales nine months from now. For the data below, determine a linear equation based on regression analysis and prepare a forecast of company sales three quarters from now. (3.4 .3)

Chapter 3, Problem 20P, A company that manufactures shuttle cars and mines for the coal mining industry has determined that

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