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A second course in statistics regression analysis 7th by mendenhall ch01

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Chapter 1
A Review of
Basic
Concepts
(Optional)

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Section 1.1
Statistics and
Data

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1- 3


Section 1.2
Populations,
Samples, and
Random
Sampling

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1- 5


Section 1.3
Describing
Qualitative
Data

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1- 7


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1- 8


Figure 1.1 SAS bar graph for data on
22 aphasiacs

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1- 9



Figure 1.2 SPSS pie chart for data
on 22 aphasiacs

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1- 10


Section 1.4
Describing
Quantitative
Data
Graphically

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Figure 1.3 Relative frequency
distribution: IQs of identical twins

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1- 12


Figure 1.4 Probability distribution
for a quantitative variable

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1- 13


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1- 14


Figure 1.5 MINITAB stem-and-leaf
plot for EPA gas mileage

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1- 15


Figure 1.6 SPSS histogram for 100
EPA gas mileage

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1- 16


Section 1.5
Describing
Quantitative
Data
Numerically


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1- 18


Figure 1.7 MINITAB printout:
Describing the no-show data, Example
1.6

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1- 19


Section 1.6
Normal
Probability
Distribution

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Figure 1.8 A normal probability
distribution

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1- 21


Figure 1.9 Several normal distributions
with different means and standard
deviations

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1- 22


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Figure 1.10 Normal probability
distribution µ = 50, σ = 15

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Figure 1.11 A distribution of z scores
(a standard normal distribution)

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