Cumulative frequency graph: estimate how many from the curve

An example figure from the Cumulative Frequency Graph Generator.

A black-and-white cumulative frequency curve titled Weights of 120 parcels, with dashed lines for the median and up from 5 kg, and blank lines at the axes for the answers — A cumulative frequency curve in black and white titled Weights of 120 parcels, over a weight axis from 0 to 12 kg by 1 and a cumulative frequency axis from 0 to 120 by 10, with crosses at 0 parcels for 0 kg, then 8, 30, 64, 96, 112 and 120 parcels every 2 kg up to 12. Dashed lines go across from 60 to the curve and down for the median, and up from 5 kg and across for how many parcels weigh 5 kg or less. A blank line under the weight axis and another left of the frequency axis are for students’ answers.

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Answer key

Median: 5.8
Up from 5: 46

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