The table shows the percentage P of an employee's annual salary S, in thousands of dollars, spent on the process of recruiting and training a replacement. S = annual salary (thousands of dollars) P = percentage of salary for recruiting 20 16 30 15 40 20 60 46 70 49 (a) Plot the data points. (b) Find the equation of the regression line. (Round regression line parameters to two decimal places.) P(S) = (c) Add the plot of the regression line to the data from part (a).
The table shows the percentage P of an employee's annual salary S, in thousands of dollars, spent on the process of recruiting and training a replacement. S = annual salary (thousands of dollars) P = percentage of salary for recruiting 20 16 30 15 40 20 60 46 70 49 (a) Plot the data points. (b) Find the equation of the regression line. (Round regression line parameters to two decimal places.) P(S) = (c) Add the plot of the regression line to the data from part (a).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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The table shows the percentage P of an employee's annual salary S, in thousands of dollars, spent on the process of recruiting and training a replacement.
| S = annual salary (thousands of dollars) |
P = percentage of salary for recruiting |
|---|---|
| 20 | 16 |
| 30 | 15 |
| 40 | 20 |
| 60 | 46 |
| 70 | 49 |
(a)
Plot the data points.
(b)
Find the equation of the regression line. (Round regression line parameters to two decimal places.)
P(S) =
(c)
Add the plot of the regression line to the data from part (a).
(d)
What cost does the regression line give for replacement of an employee who makes an annual salary of $50,000? (Round your answer to the nearest dollar.)
$
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