Mathematics, 23.11.2020 17:40 gabbytopper8373
On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with a standard deviation of 5.2. One test grade has a z-score of 2.4. Which of the following statements gives the best interpretation of this z-score?
This studentās test grade was higher than 2.4% of the other studentsā test grades.
This studentās test grade was 2.4 standard deviations above the mean test grade.
This studentās test grade was 2.4 standard deviations below the mean test grade.
The studentās test grade was lower than 2.4% of the other studentsā test grades.
Answers: 1
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On a unit test in a statistics class, the teacher determines that the mean test grade was 77.5 with...
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