5) Examine the residuals (get them from Excel) of the regression analysis that you did for #4. a) Explain how you would get the residuals if Excel did not provide them. b) Create a table showing each data point and the residual in Excel. c) Plot the residuals. Show the plot.

5) Examine the residuals (get them from Excel) of the regression analysis that you did for #4. a) Explain how you would get the residuals if Excel did not provide them. b) Create a table showing each data point and the residual in Excel. c) Plot the residuals. Show the plot.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 4SGR

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Question

please help with all parts

population	Expenditure
29	127
435	214
86	133
1090	208
219	153
503	184
47	130
3524	217
185	141
98	154
952	194
89	103

5) Examine the residuals (get them from Excel) of the regression analysis
that you did for #4.
a) Explain how you would get the residuals if Excel did not provide them.
b)
Create a table showing each data point and the residual in Excel.
c)
Plot the residuals. Show the plot.
d)
Comment on the plot. What should the residuals look like?
e)
What do they look like?
f) What does this mean regarding the predicting power of the regression
for this data?

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