Chapter Two - Organization of Data, Graphs,
and Central Tendency
Chapter Objectives
- Arrange data into simple and grouped frequency distributions
- Describe the characteristics and uses of frequency polygons,
histograms, bar graphs, and line graphs, and be able to interpret
them
- Name some distributions by looking at their shapes
- Find the mean, median, and mode of a simple frequency
distribution and of a grouped frequency distribution
- Determinewhether a cetnral tendency measure is most
appropriate for a set of data
- Determine the direction of skew of a frequency distribution
- Find the mean of a set of means
Chapter Oultine
- Questionnaire
- Simple Frequency Distributions
- Grouped Frequency Distributions
- Graphic Presentation of Data
- Describing Distributions
- Distributions: A Summary
- Measure of Central Tendency
- Finding Central Tendency of Simple Frequency Distributions
- Finding Central Tendency of Grouped Freqyency Distributions
- The Mean, Median, and Mode cCompred
- Determining Skewness from the Mean and Median
- The Mean of a Set of Means
- Estimating Answers
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