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The scores in a class quiz are as follows: 58, 62, 62, 63, 65, 65, 65, 68, 69, 72, 72, 75, 76, 78, 79, 81, 84, 84, 85, 92, 94, 95, 98.
a. What is the variance?
b. What is the range?
c. What is the interquartile range?
Statistics and Probability, Statistics
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