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The following lesson plans could be used for a three week unit adapted to the middle school or high school math class.
Lesson Plan I will introduce the student to surveys, recording data, and graphing bar graphs, histograms, and frequency curves.
Lesson Plan II is a study of the use of mean, median, and mode, using class attendance numbers.
Lesson Plan III is a correlation study between two variables. The variables are height and weight. The students can gather data from their own class and make scatter diagram to see if they can find a correlation.
Lesson Plan IV is a further study of correlation of two variables. It consists of using the same height-weight data and scatter diagrams from Lesson Plan II, and checking it mathematically using the Pearson r.
(Recommended for General Math classes, grades 7 and 8; Applied Math classes, grade 9; Algebra I and II classes, grades 9 through 11; and Algebra III-Trigonometry classes, grade 11)
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