Ways to Measure Central Tendency

Z-Scores. Calculation. Definition. Problem 1 - Test Scores. a) Suppose the mean score on a stats exam is 80 and the standard deviation is 6.07. Student 1 scored an 86, student 2 scored a 99 and student 3 scored a 72. Calculate the z-score for each student. b) Suppose the mean score on a chemistry test is 76 and the standard deviation is 4. ................
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