2. What is the 10th percentile of the Z distribution Choices -1.28 1.28 0.10 0.90

Calculate the 75th percentile of the data shown x 2.9 3.5 10.7 26.7 27.7 36.5 46.7 48.3 49.2 54.4 Is it the right correct answer 47.5?

The distribution of observed scores (in percentages) in a Chemistry final examinations were as follows: 67, 71, 73, 76, 97, 79, 82, 83, 85, 87, 88, 24, 58, 61, 88, 92, 93, 94     The lowest score on the final exam was 24. The highest score on the exam was 97. 25% of the students scored a 70 or below. 50% of the students scored above an 85.5. 75% of the students scored at most 89. We can also say that 25% of the students scored at least an 89.     The lowest score on the final exam was 24. The highest score on the exam was 97. 25% of the students scored a 70 or below. 50% of the students scored above an 82.5. 75% of the students scored 89 or below. We can also say that 25% of the students scored at least an 89.     The lowest score on the final exam was 24. The highest score on the exam was 97.  25% of the students scored a 70 or below. 60% of the students scored above an 82.5. 75% of the students scored 89 or below.     The lowest score on the final exam was 24.…

Gardena High School had a mean ACT score of 23, with a median score of 21 and a mode of 20. What kind of skewness would you expect their distribution curve to display? a. Symmetrical b. Right-skewed c. Left-skewed d. Not enough information