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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
25.            The manager of a seafood restaurant was asked to establish a pricing policy on lobster dinners. Experimenting with prices produced the following data:
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|
Average Number Sold per Day, y |
 Price, x |
Average Number Sold per Day, y |
 Price, x |
|
200 |
$6.00 |
155 |
$8.25 |
|
190 |
6.50 |
156 |
8.50 |
|
188 |
6.75 |
148 |
8.75 |
|
180 |
7.00 |
140 |
9.00 |
|
170 |
7.25 |
133 |
9.25 |
|
162 |
7.50 |
 |
 |
|
160 |
8.00 |
 |
 |
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a.   Plot the data and a regression line on the same graph.
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b.  Determine the correlation coefficient and interpret it.
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