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Comparing Data

Comparing Data

Comparing the measures of central tendency and spread. Understanding the meaning of normal distribution and its significance in the real-world.

Mapped to CCSS Section# HSS.ID.A.3, HSS.ID.A.4

Use statistics appropriate to the shape of the data distribution to compare center (median, mean) and spread (interquartile range, standard deviation) of two or more different data sets. Use the mean and standard deviation of a data set to fit it to a normal distribution and to estimate population percentages. Recognize that there are data sets for which such a procedure is not appropriate. Use calculators, spreadsheets, and tables to estimate areas under the normal curve.