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Unformatted text preview: the physics test. Calculate the zscore for each test. On which test did the student perform better relative to the other students in each class? Solve the problem. 3) A teacher gives a 20point quiz to 10 students. The scores are listed below. What percentile corresponds to the score of 12? 20 8 10 7 15 16 12 19 14 9 4) Find the 25th percentile for the following data: 41, 43, 56, 57, 62, 71, 74, 78, 84, 92, 97. 1 Answer Key Testname: QUIZ 4A ‐ MEASURES OF POSITION I 1) z = 4.71 2) history zscore = 3.56; physics zscore = 5.95; The student performed better on the physics test. 3) 40 4) 56 2...
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 Spring '11
 Lee
 Statistics, Standard Deviation, ZScores

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