MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results were:
Aptitude Score
0
1
2
3
4
5
Frequency
1
3
4
4
1
4
a.The
The
The
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- A student scored between 81% and 93% on all exams except for one that she failed with a47% because she studied the wrong chapters. Which value would better represent hertypical performance: mean exam grade or median exam grade? Briefly explain.arrow_forwardIn a student survey, fifty-two part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below: Please round your answer to 4 decimal places for the Relative Frequency if possible. # of Courses Frequency Relative Frequency Cumulative Frequency 1 0.3462 18 2 19 37 3 15 0.2885 What percent of students take exactly two courses?arrow_forwardIf we multiply the data values by a constant (say, c), how this will affect the geometric mean? Use the equation in image to prove it, and give an example.arrow_forward
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