The mathematical purpose of this lesson is for students to compare measures of center and the standard deviation and the IQR for different data sets. This lesson provides opportunities for students to collaborate, share mathematical ideas and reflect on their mathematical thinking about measures of center and measures of variability. This lesson also gives students another opportunity to compare measures of center and variability, but now using standard deviation and outliers too in the comparisons. The work of this lesson connects to upcoming work because students will collect and analyze data to answer a statistical question using measures of center and measures of variability. When students are describing measures of center and measures of variability in the context of marathon time they are reasoning abstractly and quantitatively (MP2) because they are interpreting the meaning of their answer in context.
- Compare and contrast (orally and in writing) situations using measures of center and measures of variability.
- Let’s compare statistics for data sets.
- I can compare and contrast situations using measures of center and measures of variability.
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