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Chapter 1
Introduction to
Statistics and
Data Analysis

Section 1.1
Overview:
Statistical
Inference,
Samples,
Populations, and
the Role of
Probability

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Table 1.1 Data Set for
Example1.2

Figure 1.1 A dot plot of stem
weight data

Figure 1.2 Fundamental relationship
between probability and inferential
statistics

Section 1.2
Sampling
Procedures;
Collection of Data

Table 1.2 Data Example 1.3

Figure 1.3 Corrosion results for
Example 1.3

Section 1.3
Measures of
Location: The
Sample Mean
and Median

Definition 1.1

Definition 1.2

Figure 1.4 Sample mean as a centroid
of the with-nitrogen stem weight

Section 1.4
Measures of
Variability

Definition 1.3

Section 1.5
Discrete and
Continuous Data

Section 1.6
Statistical
Modeling,
Scientific,
Inspection, and
Graphical
Diagnostics

Table 1.3 Tensile strength

Figure 1.5 Scatter plot of tensile
strength and cotton percentages

Table 1.4 Car Battery Life

Table 1.5 Stem-and-Leaf Plot of
Battery Life

Table 1.6 Double-Stem-and-Leaf
Plot of Battery Life

Table 1.7 Relative Frequency
Distribution of Battery Life

Figure 1.6 Relative frequency
histogram

Figure 1.7 Estimating frequency
distribution

Figure 1.8 Skewness of data

Table 1.8 Nicotine Data for
Example 1.5

Figure 1.9 Box-and-whisker plot
for Example 1.5

Figure 1.10 Stem-and-Leaf plot
for the nicotine data

Table 1.9 Data for Example 1.6

Figure 1.11 Box-and-whisker plot
for thickness of paint can “ears”

Section 1.7
General Types of
Statistical Studies:
Designed
Experiment,
Observational
Study, and
Retrospective
Study

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