ANSWER:
Given that,
a)
CI | F | Relative F | Angle = Relative F *360 | ||
60 -70 | 8 | 0.571 | 205.71 | ||
70 -80 | 3 | 0.214 | 77.14 | ||
80 -90 | 2 | 0.143 | 51.43 | ||
90 -100 | 1 | 0.071 | 25.71 | ||
Total = | 14 | 1 | 360 |
b)
A | 8 |
B | 3 |
C | 2 |
D | 1 |
Example 11: Use the scores received by a sample of fourteen students on a test to...
Use the following collection of 30 test scores: 100, 65, 67, 61, 62, 70, 75, 73, 88, 77, 83, 79,95, 79, 8102, 86, 87, 87, 91, 87, 89, 92, 90, 99, 87, 72, 93, 79, 52 a. Construct a frequency distribution table using 6 classes: include classes, frequencies, class marks, class boundaries, relative frequencies, and relative percentages. b. Find the mean to the nearest tenth and sample standard deviation to the nearest tenth. c. Use the results from part b...
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