The following table shows the widths of the 70 books in one section of a library, given
Question:
The following table shows the widths of the 70 books in one section of a library, given to the nearest centimetre.
a. Given that the upper boundary of the first class is 14.5cm, write down the upper boundary of the second class.
b. Draw up a cumulative frequency table for the data and construct a cumulative frequency graph.
c. Use your graph to estimate:
i. The number of books that have widths of less than 27cm
ii. The widths of the widest 20 books.
Transcribed Image Text:
Vidth (cm) 10-14 15-19 29 30-39 40-44 No. books (f) 3 13 25 24 5
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a The upper bound of the class 2 is 195 b The cumulati...View the full answer
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Related Book For
Cambridge International AS & A Level Mathematics Probability & Statistics 1 Coursebook
ISBN: 9781108407304
1st Edition
Authors: Dean Chalmers, Julian Gilbey
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