Statistics for Management and Economics-Sixth Edition Gerald Keller - PowerPoint PPT Presentation

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Statistics for Management and Economics-Sixth Edition Gerald Keller

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Title: Statistics for Management and Economics-Sixth Edition Gerald Keller


1
Statistics for Management and Economics-Sixth
EditionGerald Keller Brian Warrack
  • Chapter 17 Simple Linear Regression and
    Correlation

2
Figure 17. 1 Scatter diagram with regression line
for Example 17.1
3
Figure 17.2 Calculation of residuals in Example
17.1
4
Applet 18.1 Fitting the Regression Line
5
Excel Summary Output Regression Statistics
from Example 17.2
6
Minitab Regression Analysis Price versus
Odometer from Example 17.2
7
Figure 17.3 Distribution of y given x
8
Figure 17.4 Bivariate normal distribution
9
Figure 17.5 Scatter diagram of entire population
with ß1 0
10
Excel (See page 612 from Example 17.2) and this
also includes Example 17.4
11
Minitab (See Page 612 from Example 17.2) This
also includes Example 17.4
12
Figure 17.6 Partitioning the deviation for i5
in Example 17.1
13
Applet 19.1 Analysis of Regression Deviations
14
Excel- Summary Output Regression Statistics from
Example 17.6
15
Minitab-Regression Analysis Nortel versus TSE
from Example 17.6
16
Excel Prediction Interval from Example 17.7
17
Minitab Predicted Values for New Observations
from Example 17.7
18
Figure 17.77 Interval estimates and prediction
intervals.
19
Excel Foreign Index Funds Solution
20
Minitab Correlations US Index, Japanese Index
21
Excel Spearman Rank Correlation from Example
17.8
22
Minitab Correlations Rank apt, Rank Per from
Example 17.8
23
Excel Residual Output from 17.9 Regression
Diagnostics 1
24
Minitab From 17.9 Regression Diagnostics -1
25
Excel histogram of residuals for Example 17.2
26
Figure 17.8 Plot of residuals depicting
heteroscedasticity
27
Figure 17.9 Plot of residuals depicting
homoscedasticity
28
Excel plot of predicted values versus residuals
for Example 17.2
29
Figure 17.10 Plot of residuals versus time
indicating autocorrelation (alternating)
30
Figure 17.11 Plot of residuals versus time
indicating autocorrelation (increasing)
31
Figure 17.12 Plot of residuals versus time
indicating independence
32
Figure 17.13 Scatter diagram with one outlier
33
Figure 17.15 Scatter diagram without the
influential observation
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