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Education Concept Tracker

A prerequisite knowledge graph of 1590 learning concepts across 8subjects. Track what you've mastered and see exactly what you're ready to learn next — the topics whose prerequisites you've already met. Built on the Marble Open Skill Taxonomy.

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Comparing measurements

Mathematics · Data & Statistics · procedural

Describe, interpret, and compare distributions of a single variable using appropriate measures of central tendency (mean, median, mode) and spread (range), including the effect of outliers

What mastery looks like

  • Calculate mean, median, and mode for a data set and explain when each is most appropriate
  • Find the range of a data set and explain how an outlier affects the mean versus the median
  • Compare two data sets using their averages and ranges to draw conclusions

Check your understanding

If Comparing measurements had the test scores of a whole class, could they find the mean, median, and range, and explain what each tells you about how the class performed?