Two different sections of a statistics class take the same surprise quiz and the scores are recorded

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Two different sections of a statistics class take the same surprise quiz and the scores are recorded below. Find the range and standard deviation for each section. What do the range values lead you to conclude about the variation in the two sections? Why is the range misleading in this case? What do the standard deviation values lead you to conclude about the variation in the two sections?
Section 1: 1 20 20 20 20 20 20 20 20 20 20
Section 2: 2 3 4 5 6 14 15 16 17 18 19
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Elementary Statistics

ISBN: 9780321225979

3rd Canadian Edition

Authors: Mario F. Triola

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