Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 4 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 7 12 22 14 8 6 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.
Given the following sample data in a grouped frequency distribution Data Frequency 40 - 44 45 - 49 4 50 - 54 55 - 59 60 - 64 65 - 69 70 - 74 75 - 79 80 - 84 7 12 22 14 8 6 1 (a) Find the mean (give you answer to one decimal) = What would the correct notation be? Enter mu, x-bar, s, or sigma. (b) Find the standard deviation (give your answer to two decimals) = What would the correct notation be? Enter mu, x-bar, s, or sigma.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Given the following sample data in a grouped frequency distribution
Data
Frequency
40 - 44
45 - 49
50 - 54
55 - 59
1
4
7
12
60 - 64
22
65 - 69
70 - 74
14
8.
75 - 79
6
80 - 84
1
(a) Find the mean (give you answer to one decimal)
=
What would the correct notation be? Enter mu, x-bar, s, or sigma.
(b) Find the standard deviation (give your answer to two decimals) =
What would the correct notation be? Enter mu, x-bar, s, or sigma.
Transcribed Image Text:20
15
10
40 45 50 55 60 65 70 75 80
Number of People
20
15
10
42 47 52 57 62 67 72 77 82 87
Number of People
20
15
10
44 49 54 59 64 69 74 79 84 89
Number of People
20
15
10
40 45 50 55 60 65 70 75 80 85
Number of People
Frequency
dou ənbaiy
Frequency
dou ənbat
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