Lesson plan

Distinguish measures of center from measures of variation

teaches Common Core State Standards CCSS.Math.Content.6.SP.A.3 http://corestandards.org/Math/Content/6/SP/A/3
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Big Ideas: The mean of a set of data is the balance point for the distribution of the data. A deviation is the difference between a data point and the mean. The sum of all deviations from the mean is equal to zero. Students will begin to explore variations in data as related to the mean of that data. Finding the deviation from the mean is the basis for finding and using the absolute mean deviation, mean deviation and further statistical concepts. Students will be able to "work backwards" creating data sets that meet mean, range, and deviation from the mean criteria. Vocabulary: variation, center, distribution, measure of central tendency, mean, deviation from the mean, dot plot, range Special Materials: None