11.19 A company sets different prices for a particular DVD system in eight different regions of the...

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11.19 A company sets different prices for a particular DVD system in eight different regions of the country. The accompanying table shows the numbers of units sold and the corresponding prices (in dollars).

Sales 420 380 350 400 440 380 450 420 Price 104 195 148 204 96 256 141 109

a. Graph these data, and estimate the linear regression of sales on price.

b. What effect would you expect a $50 increase in price to have on sales?

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Essential Mathematics And Statistics For Science

ISBN: 9780470694480

2nd Edition

Authors: Graham Currell, Dr. Antony Dowman

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Question Posted: Sep 23, 2024 08:01 AM

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