Statistics Question
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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Expert Solution
Step 1
Mode:
Modal class is the class with highest frequency.
Here, modal class is 105-109.
Mode = 107.0952
Step 2
Mean:
| Data | Frequency (f) | x | fx |
| 70-74 | 2 | 72 | 144 |
| 75-79 | 0 | 77 | 0 |
| 80-84 | 3 | 82 | 246 |
| 85-89 | 3 | 87 | 261 |
| 90-94 | 4 | 92 | 368 |
| 95-99 | 9 | 97 | 873 |
| 100-104 | 10 | 102 | 1020 |
| 105-109 | 21 | 107 | 2247 |
| 110-114 | 11 | 112 | 1232 |
Mean = 101.4444
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