Consider the following pairs of ...

[Coya19@aol.com]

Question 1

Locate the values of SSE, s2, and s on the printout below.

Model Summary

Model	R	R Square	Adjusted R Square	Std. Error of the Estimate
1	.859	.737	.689	11.826

ANOVA

Model	​	Sum of Squares	df	Mean Square	F	Sig.
1	Regression	4512.024	1	4512.024	32.265	.001
​	Residual	1678.115	12	139.843	​	​
​	Total	6190.139	13	​	​	​

◦ SSE = 1678.115; s2 = 139.843; s = 11.826
◦ SSE = 4512.024; s2 = 4512.024; s = 32.265
◦ SSE = 4512.024; s2 = 139.843; s = 11.826
◦ SSE = 6190.139; s2 = 4512.024; s = 32.265

Question 2

Consider the following pairs of measurements:

x	5	8	3	4	9
y	6.2	3.4	7.5	8.1	3.2

a.	Construct a scattergram for the data.

b.	Use the method of least squares to model the relationship between x and y.

c.	Calculate SSE, s2, and s.

d.	What percentage of the observed y-values fall within 2s of the values of predicted by the least

squares model?

[ebonylittles]

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[Coya19@aol.com]

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