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For a sample of 8 employees, a personnel director has collected the following data on ownership of company stock, y, versus years with the firm, x. 12 14 6 19 13 15 19 Y 300 408 560 252 288 650 630 522 (a) Determine the least squares regression line and interpret its slope

For a sample of 8 employees, a personnel director has collected the following data on ownership of company stock, y, versus years with the firm, x. 12 14 6 19 13 15 19 Y 300 408 560 252 288 650 630 522 (a) Determine the least squares regression line and interpret its slope

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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For a sample of 8 employees, a personnel director has collected the following data on ownership of company stock, y, versus years with the firm, x. 6. 12 14 6. 13 15 19 Y 300 408 560 252 |288 650 630 522 (a) Determine the least squares regression line and interpret its slope (b) For an employee who has been with the firm 10 years, what is the predicted number of shares owned? (c) Is there a statistical significance between years of service and ownership of company stocks? (use a = 0.05)|
Transcribed Image Text:For a sample of 8 employees, a personnel director has collected the following data on ownership of company stock, y, versus years with the firm, x. 6. 12 14 6. 13 15 19 Y 300 408 560 252 |288 650 630 522 (a) Determine the least squares regression line and interpret its slope (b) For an employee who has been with the firm 10 years, what is the predicted number of shares owned? (c) Is there a statistical significance between years of service and ownership of company stocks? (use a = 0.05)|
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