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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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Quarter 4: Performance Task
The following are scores of random Grade 10 learners in a 150-item test in Science and Math.
Science
Math
85
120
76
85
73
73
80
72
84
79
72
1. Solve for the mean of each subject. (Round off to the nearest whole number)
2. Complete the given table and compute for the standard deviation.
Score
Mean
(x − x)
(x - x)²
X
X
3. Based on the results of items 1 and 2, on which subject performed better? Why? Which
subject performed more consistently? Why?
4. On which subject the learners performed much better and/or some performed far worse
than the average?
70 80 34 77
Transcribed Image Text:Quarter 4: Performance Task The following are scores of random Grade 10 learners in a 150-item test in Science and Math. Science Math 85 120 76 85 73 73 80 72 84 79 72 1. Solve for the mean of each subject. (Round off to the nearest whole number) 2. Complete the given table and compute for the standard deviation. Score Mean (x − x) (x - x)² X X 3. Based on the results of items 1 and 2, on which subject performed better? Why? Which subject performed more consistently? Why? 4. On which subject the learners performed much better and/or some performed far worse than the average? 70 80 34 77
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Answer number 4

Quarter 4: Performance Task
The following are scores of random Grade 10 learners in a 150-item test in Science and Math.
Science
Math
85
120
76
85
73
73
80
72
84
79
72
1. Solve for the mean of each subject. (Round off to the nearest whole number)
2. Complete the given table and compute for the standard deviation.
Score
Mean
(x − x)
(x - x)²
X
X
3. Based on the results of items 1 and 2, on which subject performed better? Why? Which
subject performed more consistently? Why?
4. On which subject the learners performed much better and/or some performed far worse
than the average?
70 80 34 77
Transcribed Image Text:Quarter 4: Performance Task The following are scores of random Grade 10 learners in a 150-item test in Science and Math. Science Math 85 120 76 85 73 73 80 72 84 79 72 1. Solve for the mean of each subject. (Round off to the nearest whole number) 2. Complete the given table and compute for the standard deviation. Score Mean (x − x) (x - x)² X X 3. Based on the results of items 1 and 2, on which subject performed better? Why? Which subject performed more consistently? Why? 4. On which subject the learners performed much better and/or some performed far worse than the average? 70 80 34 77
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