The times, $$$t$$$ minutes, taken by 150 students to complete a particular challenge are summarised in the following cumulative frequency table. Draw a cumulative frequency graph to illustrate the data.

Mathematics

IGCSE&ALevel

CAIE

Exam No：9709_w20_qp_51 Year：2020 Question No：6(a)

Answer:

Correct cumulative frequency curve

Knowledge points:

5.1.2 draw and interpret stem-and-leaf diagrams, box- and-whisker plots, histograms and cumulative frequency graphs (Including back-to-back stem-and-leaf diagrams.)

Solution:

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The times, $$\(t\)$$ minutes, taken by 150 students to complete a particular challenge are summarised in the following cumulative frequency table. Draw a cumulative frequency graph to illustrate the data.

Answer:

Knowledge points:

Solution:

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