10 22 31 9 43 36 29 10 30 20 22 35 19 32 26 33 32 26 44 25 35 28 23 39 27 37 41 31 36 41 24 29 34 11 29 12 36 28 32 32 37 26 33 13 28 28 9 39 17 27 11 31 10 38 11 28 27 31 10 11 24 28 32 44 36 26 34 23 35 28 43 24 38 22 34 30 40 26 30 23 31 24 27 43 33 36 17 30 33 30 42 30 7 12 32 20 21 35 25 31 9 11 41 29 37 25 29 12 36 36 13 27 28 13 35 25 34 29 48 11 38 30 21 29 32 39 29 18 34 22 18 27 30 44 28 27 31 36 21 27 32 25 31 30 16 11 24 27 31 28 46 34 26 35 34 11 38 10 33 23 23 37 12 12 39 34 26 39 10 29 10 33 39 28 23 42 12 31 28 37 7 10 28 23 33 11 30 30 30 30 13 12 27 19 45 25 43 30 10 28 33 31 11 37 30 38 21 20 38 24 29 35 41 29 29 32 28 25 40 20 22 13 32 14 24 26 36 42 5 16 38 34 25 36 9 24 38 32 28 23 27 30 26 31 30 39 19 22 35 11 31 30 12 21 31 35 29 21 37 35 11 29 37 9 36 8 32 26 33 42 34 40 15 32 26 15 31 32 11 34 35 24 23 27 27 31 30 27 30 33 29 19 28 30 35 11 35 31 34 13 32 24 11 38 28 32 12 30 38 9 25 40 12 29 29 23 12 37 21 33 26 34 22 43 31 24 9 27 35 31 10 25 30 26 32 17 7 32 28 37 22 41 10 33 26 28 22 29 31 24 29 32 27 29 20 27 34 26 34 22 25 19 36 12 33 24 27 28 10 26 15 33 33 28 27 29 The Finance Director of this Company is going for a Board Meeting to explain this data of salaries to the board for a possible increment for those at the lower levels. As his personal assistant, prepare a short report for him to present at the meeting by doing the following; (a) Constructing a frequency table for this data starting with the intervals 1– 5, 6 – 10, 11 - 15, 16 – 20, ... (b) Find the mean and explain your results (c) Find the standard deviation and explain your results (d) Find the coefficient of variation and explain your results
10 22 31 9 43 36 29 10 30 20 22 35 19 32 26 33 32 26 44 25 35 28 23 39 27 37 41 31 36 41 24 29 34 11 29 12 36 28 32 32 37 26 33 13 28 28 9 39 17 27 11 31 10 38 11 28 27 31 10 11 24 28 32 44 36 26 34 23 35 28 43 24 38 22 34 30 40 26 30 23 31 24 27 43 33 36 17 30 33 30 42 30 7 12 32 20 21 35 25 31 9 11 41 29 37 25 29 12 36 36 13 27 28 13 35 25 34 29 48 11 38 30 21 29 32 39 29 18 34 22 18 27 30 44 28 27 31 36 21 27 32 25 31 30 16 11 24 27 31 28 46 34 26 35 34 11 38 10 33 23 23 37 12 12 39 34 26 39 10 29 10 33 39 28 23 42 12 31 28 37 7 10 28 23 33 11 30 30 30 30 13 12 27 19 45 25 43 30 10 28 33 31 11 37 30 38 21 20 38 24 29 35 41 29 29 32 28 25 40 20 22 13 32 14 24 26 36 42 5 16 38 34 25 36 9 24 38 32 28 23 27 30 26 31 30 39 19 22 35 11 31 30 12 21 31 35 29 21 37 35 11 29 37 9 36 8 32 26 33 42 34 40 15 32 26 15 31 32 11 34 35 24 23 27 27 31 30 27 30 33 29 19 28 30 35 11 35 31 34 13 32 24 11 38 28 32 12 30 38 9 25 40 12 29 29 23 12 37 21 33 26 34 22 43 31 24 9 27 35 31 10 25 30 26 32 17 7 32 28 37 22 41 10 33 26 28 22 29 31 24 29 32 27 29 20 27 34 26 34 22 25 19 36 12 33 24 27 28 10 26 15 33 33 28 27 29 The Finance Director of this Company is going for a Board Meeting to explain this data of salaries to the board for a possible increment for those at the lower levels. As his personal assistant, prepare a short report for him to present at the meeting by doing the following; (a) Constructing a frequency table for this data starting with the intervals 1– 5, 6 – 10, 11 - 15, 16 – 20, ... (b) Find the mean and explain your results (c) Find the standard deviation and explain your results (d) Find the coefficient of variation and explain your results
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:2. The following are the monthly salaries in thousands of Ghana cedis of 400 workers in
a Goldmining company in Ghana.
ten-minue reuUTUny m
9 24 27 29
9 23 12 33 29 14 37 28 29 39 25 34 35
10 22 31
30 35 29 21
31 36
9 39 17
10
9 43 36 29
30 40 26 30 23 31 24 27 43 33 36
41
37
20 22 35 19 32 26 33 32 26 44 25 35 28 23 39 27
41 24 29 34 11 29 12 36 28 32 32 37 26 33 13 28 28
27 11 31 10 38 11 28 27 31 10 11 24
32 44 36 26 34 23 35
17 30 33 30 42 30
41 29 37 25 29
28 43 24 38 22 34
7 12 32 20 21 35 25 31
12 36 36 13 27 28 13 35 25 34 29 48 11
9 11
38 30 21 29 32 39 29 18 34 22 18 27 30 44 28 27 31 36 21 27
32 25 31 30 16 11 24 27 31 28 46 34 26 35 34 11 38 10 33 23
23 37 12 12 39 34 26 39 10 29 10 33 39 28 23 42 12 31 28 37
7 10 28 23 33 11 30 30 30 30 13 12 27 19 45 25 43 30
31 32
10 28 33 31 11 37 30 38 21 20
24 29 35 41 29 29 32 28 25
5 16 38 34 25 36
40 20 22 13 32 14 24 26 36 42
9 24 38 32
30 39 19 22 35 11 31 30 12 21 31 35 29 21
28 23 27 30 26 31
37 35 11 29 37
9 36
8 32 26 33 42 34
15 32 26 15
8 41
11 34 35 24 23 27 27 31 30 27 30 19 21
26 34 22 43 31 24
33 29 19 28 30 35 11 35 31 34 13 32 24 11 38 28 32 12 30 38
9 25 40 12 29 29 23 12 37
37 22 41 10 33 26 28 28 22 29 31 24 29 32 27 29 20 27
28
9 27 35 31 10 25 30 26 32 17
7 32
34 26 34 22 25 19 36 12 33 24 27 28 10 26 15 33 33 28 27 29
The Finance Director of this Company is going for a Board Meeting to explain this data of
salaries to the board for a possible increment for those at the lower levels. As his personal
assistant, prepare a short report for him to present at the meeting by doing the following;
(a) Constructing a frequency table for this data starting with the intervals
1-5, 6 – 10,
11 – 15, 16 – 20, ...
(b) Find the mean and explain your results
(c) Find the standard deviation and explain your results
(d) Find the coefficient of variation and explain your results
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