Medians and Quartiles from Grouped Frequency Tables and Histograms

This Medians and Quartiles from Grouped Frequency Tables and Histograms video also includes:

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Determine medians within a group. Given data represented as a frequency table of grouped data, the video demonstrates finding an estimation for the median. After finding the group where the median resides, the presenter uses a formula to find the estimated median. With the same technique, the resource calculates the upper and lower quartiles.

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CCSS: Adaptable
Instructional Ideas

  • Before watching the video, lead a brainstorming session on ways to find the median in grouped data
  • Generate a set of data represented as a grouped frequency table and compare the median to the estimated median
Classroom Considerations

  • Individuals should understand the order of operations
Pros

  • Includes application problems
  • Contains an answer key
Cons

  • None
Common Core