Algebra I Module 2, Topic A, Lesson 3

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Student Outcomes

  • Students estimate the mean and median of a distribution represented by a dot plot or a histogram.
  • Students indicate that the mean is a reasonable description of a typical value for a distribution that is symmetrical but that the median is a better description of a typical value for a distribution that is skewed.
  • Students interpret the mean as a balance point of a distribution.
  • Students indicate that for a distribution in which neither the mean nor the median is a good description of a typical value, the mean still provides a description of the center of a distribution in terms of the balance point.

Downloadable Resources

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Common Core Learning Standards

CCLS State Standard
S.ID.1 Represent data with plots on the real number line (dot plots, histograms, and box plots).
S.ID.2 Use statistics appropriate to the shape of the data distribution to compare center (median, mean)...
S.ID.3 Interpret differences in shape, center, and spread in the context of the data sets, accounting for...

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