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MATLAB: An Introduction with Applications

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A regression model relating , number of salespersons at a branch office, to y, annual sales at the office (in thousands of dollars) provided the following regression output. Where total = 38.
F-value
p-value is
ANOVA
Regression
Residual
Total
t Stat
p-value is
Intercept
Number of
Salespersons
df
Coefficients
77.0
43.0
a. Write the estimated regression equation (to whole number).
ŷ=
b. Compute the F statistic and test the significance of the relationship at a 0.05 level of significance. (to 2 decimals)
Select your answer - ✓, we -Select your answer - Ho: B₁ =
d. Predict the annual sales at the Memphis branch office. This branch employs 13 salespersons.
$
thousand (to whole number)
SS
6,847.3
8,943.3
Select your answer -
we - Select your answer - Ho
c. Compute the t statistic and test the significance of the relationship at a 0.05 level of significance. (to 2 decimals)
MS F
Significance F
Standard Error t Stat
12.613
5.185
P-value

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i submitted a picture of the question
The slope, b represents * O predicted value of Y when X = 0. O the estimated average change in Y per unit change in X. O variation around the line of regression. O the predicted value of Y.

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