The following table shows the cumulative frequencies for values of x. Without drawing a cumulative frequency graph,
Question:
The following table shows the cumulative frequencies for values of x.
Without drawing a cumulative frequency graph, find:
a. The interquartile range
b. The 85th percentile.
Transcribed Image Text:
<0 <10 <15 < 25 <30 < 40 ず 12 30 90 102 120
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Here is the table of x and cumulative frequency cf x 0 10 15 25 30 40 cf 0 12 30 90 102 120 a The in...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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