Given the following sample data in a grouped frequency distribution Data Frequency 70 - 74 75 - 79 80 - 84 85 - 89 90 - 94 95 - 99 100 - 104 1 1 2 3 4 7 14 105 - 109 17 110 - 10 114 (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 70 - 74 75 - 79 80 - 84 85 - 89 90 - 94 95 - 99 100 - 104 1 1 2 3 4 7 14 105 - 109 17 110 - 10 114 (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
70 - 74
75 - 79
80 - 84
85 - 89
90 - 94
95 - 99
1
1
2
3
4
7
100 -
14
104
105 -
17
109
110 -
10
114
(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:(c) Select the correct histogram.
16
14
12
10
72 77 82 87 92 97 102 107 112 117
Number of People
16
14
12
10
74 79 84 89 94 99 104 109 114 l19
Number of People
16
14
12
10
70
75
80 85 90 95 100 105 110
Number of People
16
14
12
10
70 75 80 85 90 95 100 105 110 1i5
Number of People
2.
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