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 student’s test grade was higher than 2.4% of the other students’ test grades.
This student’s test grade was 2.4 standard deviations above the mean test grade.
This student’s test grade was 2.4 standard deviations below the mean test grade.
The student’s test grade was lower than 2.4% of the other students’ test grades.
Answers: 1
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Hannah paid $3.20 for 16 ounces of potato chips. hank paid $3.23 for 17 ounces of potato chips. who paid less per ounces?
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Mathematics, 21.06.2019 23:20
Which shows a reasonable estimation for 124% of 42 using the distributive property?
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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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