11 The following table shows the cumulative frequencies for values of x. <0 <10 <15 <25 < 30 < 40 of 30 90 102 120 12 Without drawing a cumulative frequency graph, find: a the interquartile range b the 85th percentile.
11 The following table shows the cumulative frequencies for values of x. <0 <10 <15 <25 < 30 < 40 of 30 90 102 120 12 Without drawing a cumulative frequency graph, find: a the interquartile range b the 85th percentile.
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Transcribed Image Text:11 The following table shows the cumulative frequencies for values of x.
<0
<10
<15
< 25
< 30
< 40
120
of
90
0.
12
30
102
Without drawing a cumulative frequency graph, find:
a
the interquartile range
b the 85th percentile.

Transcribed Image Text:11 а 10
a Points plotted at (0, 0), (4, 2), (11,
b 30
12
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