A second course in statistics regression analysis 7th by mendenhall ch03
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Chapter 3
Simple Linear
Regression
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Section 3.1
Introduction
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Section 3.2
The
Straight-Line
Probabilistic
Model
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Figure 3.1 The straight-line model
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Section 3.3
Fitting the
Model: The
Method of
Least Squares
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Figure 3.2 Scatterplot for data in
Table 3.1
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Figure 3.3 Visual straight-line fit to
data in Table 3.1
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Figure 3.4 Plot of the least
^
squares line y = −.1 + .7x
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Figure 3.5a SAS printout for
advertising-sales regression
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Figure 3.5b SPSS printout for
advertising-sales regression
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Figure 3.5c MINITAB printout for
advertising-sales regression
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Section 3.4
Model
Assumptions
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Figure 3.6 The probability
distribution of ε
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Section 3.5
An Estimator
of σ 2
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Figure 3.7 SAS printout for
advertising-sales regression
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Section 3.6
Assessing the
Utility of the
Model: Making
Inferences
About the
Slope β 1
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Figure 3.8 Graphing the model
with β1 = 0: y = β0 + ε
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