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I. |
Introduction to Basic Statistics |
1 hour |
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A. |
What is meant by statistics? |
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B. |
Who uses statistics? |
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C. |
Types of Statistics |
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1. |
Descriptive statistics |
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2. |
Inferential statistics |
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D. |
Types of Variables |
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E. |
Levels of Measurement |
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1. |
Nominal level |
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2. |
Ordinal level |
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3. |
Interval level |
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4. |
Ratio level |
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II. |
Summarizing Data - Frequency Distributions and Graphic Presentation |
3 hours |
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A. |
Construction of a Frequency Distribution |
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B. |
Stated and True Class Limits |
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1. |
Midpoints |
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2. |
Class interval |
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C. |
Construction of a Frequency Distribution |
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D. |
Relative Frequency Distribution |
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E. |
Stem-and-Leaf Displays |
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F. |
Portraying a Frequency Distribution Graphically |
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1. |
Histogram |
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2. |
Frequency polygon |
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G. |
Cumulative Frequency Polygons |
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H. |
Less-than Cumulative Frequency Polygon |
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I. |
More-than Cumulative Frequency Polygon |
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J. |
Graphic Representation of Data |
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1. |
Simple line charts and simple bar charts |
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2. |
Pie charts |
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III. |
Describing Data - Measures of Central Tendency and Dispersion |
5 hours |
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A. |
What is a Measure of Central Tendency? |
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B. |
The Arithmetic Mean |
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C. |
The Population Mean |
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D. |
The Properties of the Arithmetic Mean |
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E. |
Weighted Mean |
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F. |
The Median |
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1. |
Properties of the Median |
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G. |
The Mode |
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H. |
A Computer Example |
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I. |
The Geometric Mean |
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J. |
The Mean, Median, and Mode of Grouped Data |
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1. |
The Arithmetic Mean |
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2. |
The Median |
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3. |
The Mode |
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K. |
Selecting an Average for Data in a Frequency Distribution |
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L. |
Why Study Dispersion? |
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M. |
Measures of Dispersion - Ungrouped Data |
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1. |
Range |
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2. |
Mean Deviation |
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3. |
Variance and Standard Deviation |
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N. |
Measures of Dispersion for Data Grouped into a Frequency Distribution |
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1. |
Range |
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2. |
Standard Deviation |
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O. |
Interpretation and Uses of the Standard Deviation |
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1. |
Chebyshev's Theorem |
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2. |
The Empirical Rule |
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Exam #1Chapters I - III |
1 hour |