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Lecture notes on various concepts related to frequency and probability distributions in the context of basic statistics for behavioral sciences. Topics covered include frequency distribution tables and graphs, the shape of a frequency distribution, percentiles, percentile ranks, and interpolation, as well as stem and leaf displays. Students can use these notes for studying and understanding the concepts of frequency and probability distributions.
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Ch. 2. Frequency and Probability Distributions I. Frequency distribution tables
II. Frequency distribution graphs A. Histogram and bar graphs B. Polygon
III. The shape of a frequency distribution
IV. Percentiles, percentile ranks, and interpolation
V. Stem and leaf displays