The time taken, in minutes, to walk to school was recorded for 200 pupils at a certain school. These times are summarised in the following table. Draw a cumulative frequency graph to illustrate the data.
Exam No：9709_w24_qp_51 Year：2024 Question No：3(a)
Answer:
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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