A particular piece of music was played by 91 pianists and for each pianist, the number of incorrect notes was recorded. The results are summarised in the table. Draw a histogram to represent this information.
Exam No：9709_w20_qp_53 Year：2020 Question No：7(a)
Answer:
Class widths: \(5,5,10,20,30\)
Frequency density: \(2,1,2.6,1.6,0.6\)
Frequency density: \(2,1,2.6,1.6,0.6\)
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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