Find the F-test statistic.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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A sample of 10 blue-collar employees at a production plant was taken. Each employee was asked to assess his or her
own job satisfaction (x) on a scale of 1 to 10. In addition, the numbers of days absent (y) from work during the last year
were found for these employees. The sample regression line, given below, was estimated by least squares for these
10
2
data. Also found were x = 6.8, Σ (x₁ - x)² = 75.6, and SSE = 31. Complete parts a and b below.
i=1
y₁ = 13.7 - 1.2x₁
Click to view the table of critical values of the Student's t distribution.
What are the null and alternative hypotheses?
A. H₂: B₁ = 0
H₁: B₁ <0
C. Ho: B₁ = 0
H₁: B₁ >0
Find the F-test statistic.
F=
(Round to four decimal places as needed.)
B. Ho: B₁ = 0
H₁: B₁ #0
D. Ho: Po=0
H: Bo<0
Transcribed Image Text:A sample of 10 blue-collar employees at a production plant was taken. Each employee was asked to assess his or her own job satisfaction (x) on a scale of 1 to 10. In addition, the numbers of days absent (y) from work during the last year were found for these employees. The sample regression line, given below, was estimated by least squares for these 10 2 data. Also found were x = 6.8, Σ (x₁ - x)² = 75.6, and SSE = 31. Complete parts a and b below. i=1 y₁ = 13.7 - 1.2x₁ Click to view the table of critical values of the Student's t distribution. What are the null and alternative hypotheses? A. H₂: B₁ = 0 H₁: B₁ <0 C. Ho: B₁ = 0 H₁: B₁ >0 Find the F-test statistic. F= (Round to four decimal places as needed.) B. Ho: B₁ = 0 H₁: B₁ #0 D. Ho: Po=0 H: Bo<0
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