ANSWER D ONLY
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.3: Least Squares Approximation
Problem 31EQ
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ANSWER D ONLY
Transcribed Image Text:For a sample of 8 employees, a personnel director has collected the following
data on ownership of company stock versus years with the firm.
x = Years
y = Shares
6
300
12
408
14
560
252
288
13
650
15
630
522
a. Construct a scatter plot.
b. Compute and interpret the correlation coefficient.
c. Determine the least-squares regression line and interpret its slope.
d. For an employee who has been with the firm 10 years, what is the predicted number
of shares of stock owned?
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