Common Core MATH 7 SP 4 Grade 7 Statistics And Probability Draw Informal Comparative Inferences About Two Populations

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Statistics And Probability: Draw Informal Comparative Inferences About Two Populations.

Use measures of center and measures of variability for numerical data from random samples to draw informal comparative inferences about two populations. For example, decide whether the words in a chapter of a seventh-grade science book are generally longer than the words in a chapter of a fourth-grade science book.