Your scores for the 20 surprise math quizzes last semester were (out of 10)
Your scores for the 20 surprise math quizzes last semester were (out of 10)
| 4.3, | 9.5, | 10.0, | 3.1, | 8.0, | 9.5, | 7.4, | 6.5, | 7.0, | 8.0, |
| 8.0, | 8.5, | 7.5, | 7.0, | 8.0, | 9.0, | 10.0, | 8.5, | 7.5, | 8.1 |
Use these raw data to construct a frequency table with the following brackets: 2.1-4.0, 4.1-6.0, 6.1-8.0, 8.1-10.0. HINT [See Example 5.]
| 2.1-4.0 | 4.1-6.0 | 6.1-8.0 | 8.1-10.0 |
Find the probability distribution using the (rounded) midpoint values as the values ofX.
| 3.0 | 5.0 | 7.0 | 9.0 |
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