Helen measures the lengths of 150 fish of a certain species in a large pond. These lengths, correct to the nearest centimetre, are summarised in the following table. Draw a cumulative frequency graph to illustrate the data.
Exam No：9709_m20_qp_52 Year：2020 Question No：7(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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