January 2018
Intermediate to advanced
480 pages
236h 9m
English
Chicken Palace periodically offers carryout five-piece chicken dinners at special prices. Let Y be the number of dinners sold and X be the price. Based on the historical observations and calculations in the following table, determine the regression equation, correlation coefficient, and coefficient of determination. How many dinners can Chicken Palace expect to sell at $3.00 each?
Observation |
Price (X) |
Dinners Sold (Y) |
|---|---|---|
1 |
$2.70 |
760 |
2 |
$3.50 |
510 |
3 |
$2.00 |
980 |
4 |
$4.20 |
250 |
5 |
$3.10 |
320 |
6 |
$4.05 |
480 |
Total |
$19.55 |
3,300 |
Average |
$3.258 |
550 |
We use the computer (Regression Analysis Solver of OM Explorer or Regression Projector module of POM for Windows) to calculate the best values of a, b, the correlation ...
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