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Cumulative Frequency Graphs

Cumulative Frequency Graphs. Estimating the median and inter-quartile range. 56 72 79 80. x co-ordinates Remember these are the END POINTS of the class intervals. y co-ordinates. 56 72 79 80. 80 70 60 50 40 30 20 10 0. cumulative frequency.

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Cumulative Frequency Graphs

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  1. Cumulative Frequency Graphs Estimating the median and inter-quartile range

  2. 56 72 79 80 x co-ordinates Remember these are the END POINTS of the class intervals y co-ordinates

  3. 56 72 79 80 80 70 60 50 40 30 20 10 0 cumulative frequency 4 8 12 16 20 24 Heights (cm)

  4. 80 70 60 50 40 30 20 10 0 cumulative frequency 4 8 12 16 20 24 Heights (cm) 56 72 79 80

  5. 80 70 60 50 40 30 20 10 0 cumulative frequency 4 8 12 16 20 24 Heights (cm)

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