Data Booster 4 – Cumulative Frequency & Box Plots © Mathswatch

Cumulative Frequency

Clip 151

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The heights of 80 plants Clip were measured and can be seen © Mathswatch Cumulative Frequency © Mathswatch Clip 151151 Cumulative Frequency in the table, below. The heights of 80 plants were measured and can be seen a) Complete the cumulative The heights of 80below. plants were measured and can be seen n the table, Heighti(cm) Frequency frequency table for the plants. in the table, below.

a) Complete the cumulative a)frequency Complete the table forcumulative the plants.

0 < h < 10 Height (cm) 2 Frequency Height (cm) Frequency 0 < h < 10 2 10 < h < 20 5 0 < h < 10 2 10 < h < 20 5 20 < h < 30 19 10