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months age hours blip= 11 36 8. 16.2 28 27 16 1. 30 20 8. 1 29 8. 5.7 4 32 42 7.6 60 52 8 12.6 48 64 16 11.3 50 24 25 14.9 52 24 8. 12.0 38 39 25 10.4 26 29 16 10.3 12 19 16 8.6 10 36 42 9.4 67 35 42 11.6 24 51 25 9.4 10 18 16 7.9 12 25 8. 10.3 22 42 7. 26 42 25 10. 23 35 42 10.1 49 22 42 10.8 37 21 42 13. 1 24 42 7.7 3 20 16 8.0 35 40 25 11.2 20 26 41 42 11.8 20 42 8.9 23 37 42 12.1 27 16 9.3 36 20 8 10.9 3 22 42 6.8 26 37 25 12.9 4 29 42 8.0 16 36 16 11.1 17 51 16 9.8 24 42 8.4 38 24 10.2 59 28 25 12.1 5. 24 16 7.6 29 42 8. 21 25 7.5 26 41 10.3 47 39 42 11.4 34 37 42 11.0 7 18 42 8.5 17 21 42 8.6. 1 18 42 6.8 3 18 42 7. 5 18 8.6 22 42 6.4 Sm4 OS69

months age hours blip= 11 36 8. 16.2 28 27 16 1. 30 20 8. 1 29 8. 5.7 4 32 42 7.6 60 52 8 12.6 48 64 16 11.3 50 24 25 14.9 52 24 8. 12.0 38 39 25 10.4 26 29 16 10.3 12 19 16 8.6 10 36 42 9.4 67 35 42 11.6 24 51 25 9.4 10 18 16 7.9 12 25 8. 10.3 22 42 7. 26 42 25 10. 23 35 42 10.1 49 22 42 10.8 37 21 42 13. 1 24 42 7.7 3 20 16 8.0 35 40 25 11.2 20 26 41 42 11.8 20 42 8.9 23 37 42 12.1 27 16 9.3 36 20 8 10.9 3 22 42 6.8 26 37 25 12.9 4 29 42 8.0 16 36 16 11.1 17 51 16 9.8 24 42 8.4 38 24 10.2 59 28 25 12.1 5. 24 16 7.6 29 42 8. 21 25 7.5 26 41 10.3 47 39 42 11.4 34 37 42 11.0 7 18 42 8.5 17 21 42 8.6. 1 18 42 6.8 3 18 42 7. 5 18 8.6 22 42 6.4 Sm4 OS69

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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months hours blips 16.23 age 11 36 8 28 27 16 11.4 30 20 8. 11 29 5.77 4 32 42 7.67 60 52 8. 12.68 48 64 16 11.38 50 24 25 14.93 52 24 12.02 38 39 25 10.46 26 29 16 10.33 12 19 16 8.64 10 36 42 9.45 67 35 42 11.69 24 51 25 9.48 10 18 16 7.91 12 25 8. 10.32 22 42 7.3 26 42 25 10.1 23 35 42 10.11 49 22 42 10.84 37 21 42 13.9 1 24 42 7.74 3 20 16 8.03 35 40 25 11.25 20 26 42 11.84 20 41 42 8.96 23 37 42 12.19 27 16 9.33 36 20 8. 10.95 3 22 42 6.87 26 37 25 12.92 4 29 42 8.06 16 36 16 11.17 17 51 16 9.87 2 24 42 8.49 38 24 10.23 59 28 25 12.12 24 16 7.63 1 29 42 8.1 3 21 25 7.57 26 41 8. 10.32 47 39 42 11.47 34 37 42 11.02 18 42 8.56 17 21 42 8.62 1 18 42 6.87 3 18 42 7.5 18 8.67 22 42 6.49
Transcribed Image Text:months hours blips 16.23 age 11 36 8 28 27 16 11.4 30 20 8. 11 29 5.77 4 32 42 7.67 60 52 8. 12.68 48 64 16 11.38 50 24 25 14.93 52 24 12.02 38 39 25 10.46 26 29 16 10.33 12 19 16 8.64 10 36 42 9.45 67 35 42 11.69 24 51 25 9.48 10 18 16 7.91 12 25 8. 10.32 22 42 7.3 26 42 25 10.1 23 35 42 10.11 49 22 42 10.84 37 21 42 13.9 1 24 42 7.74 3 20 16 8.03 35 40 25 11.25 20 26 42 11.84 20 41 42 8.96 23 37 42 12.19 27 16 9.33 36 20 8. 10.95 3 22 42 6.87 26 37 25 12.92 4 29 42 8.06 16 36 16 11.17 17 51 16 9.87 2 24 42 8.49 38 24 10.23 59 28 25 12.12 24 16 7.63 1 29 42 8.1 3 21 25 7.57 26 41 8. 10.32 47 39 42 11.47 34 37 42 11.02 18 42 8.56 17 21 42 8.62 1 18 42 6.87 3 18 42 7.5 18 8.67 22 42 6.49
50 members of supermarket checkout staff are selected at random. The variable entitled "blips" contains the average number of items processed per minute during a two-hour test period. The data also includes each employee's age, the number of months they have worked at the supermarket and the number of hours they work a week. 1. Summarise the age data by producing: i) ii) ii) the frequencies the relative frequencies a histogram 2. Comment on the class width you have chosen to use. 3. Is the distribution skewed or not? Explain the reasons why this distribution is skewed or not.
Transcribed Image Text:50 members of supermarket checkout staff are selected at random. The variable entitled "blips" contains the average number of items processed per minute during a two-hour test period. The data also includes each employee's age, the number of months they have worked at the supermarket and the number of hours they work a week. 1. Summarise the age data by producing: i) ii) ii) the frequencies the relative frequencies a histogram 2. Comment on the class width you have chosen to use. 3. Is the distribution skewed or not? Explain the reasons why this distribution is skewed or not.
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