A sample of size 40 yields the following sorted data. Note that I have x-ed out a(39) (the sec- ond largest number). This fact will NOT pre- vent you from answering the questions below.
A sample of size 40 yields the following sorted data. Note that I have x-ed out a(39) (the sec- ond largest number). This fact will NOT pre- vent you from answering the questions below.
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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B,C?
Transcribed Image Text:A sample of size 40 yields the following sorted
data. Note that I have x-ed out x(39) (the sec-
ond largest number). This fact will NOT pre-
vent you from answering the questions below.
14.1
46.0
49.3
53.0
54.2
54.7
54.7
54.7 54.8
55.4 57.6
58.2
58.3
58.7
58.9
60.8
60.9
61.0 61.1
63.0
64.3
65.6
66.3
66.6
67.0
67.9
70.1
70.3
72.1
72.4
72.9
73.5
74.2 75.3 75.4
75.9 76.5 77.0
X
88.9
(a) Calculate range, IQR, and median of these
data.
(b) Given that the mean of these data is
63.50 (exactly) and the standard devia-
tion is 12.33, what proportion of the data
lie within one standard deviation of the
mean?
(c) How does your answer to (b) compare to
the empirical rule approximation?
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