Histograms
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Histograms. Using a histogram to estimate the median. Example The distribution below represents the examination marks of 120 students. Draw a histogram to represent the data Use the histogram to estimate the median . Example The following table gives the heights of 80 children.

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Histograms

Histograms

Using a histogram to estimate the median


Example

The distribution below represents the examination marks of 120 students.

  • Draw a histogram to represent the data

  • Use the histogram to estimate the median.


Example

The following table gives the heights of 80 children.

  • Draw a histogram to represent this information.

  • Using the histogram estimate the height by which 20% of the children exceed.


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