Exercise 2.47 showed data for a company that investigated the annual number of days of sick leave
Question:
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a. The standard deviation is 2.4. Find and interpret the range.
b. The quartiles are Q1 = 0, median = 0, Q3 = 2. Find the interquartile range.
c. Suppose the 6 was incorrectly recorded and is supposed to be 60. The standard deviation is then 21.1 but the quartiles do not change. Redo parts a€“c with the correct data and describe the effect of this outlier. Which measure of variability, the range, IQR, or standard deviation, is least affected by the outlier? Why?
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a The range is six this is the distance from the smallest to the largest observ...View the full answer
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Related Book For 
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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