Mathematics, 06.05.2020 09:57 kdior27

The class average on a math test was an 82 with a standard deviation of 5. if the data is normally distributed, which statements are true?:

- about 68% of the students scored below an 87.
- a student scoring a 74 would have a z-score of -1.6
-a z-score of 2.6 would be A 95
- about 25% of the class scored above a 92
-about 16% of the class scored a 77 or below

Answers: 3

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The class average on a math test was an 82 with a standard deviation of 5. if the data is normally d...