Mathematics, 19.11.2020 03:30 gabigraceberg
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?
O This student's test grade was higher than 2.4% of the other students' test grades.
O This student's test grade was 2.4 standard deviations above the mean test grade.
O This student's test grade was 2.4 standard deviations below the mean test grade.
O The student's test grade was lower than 2.4% of the other students' test grades.
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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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