Refer to the previous exercise. a. Find the z -score corresponding to the lower quartile (Q1) of
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a. Find the z -score corresponding to the lower quartile (Q1) of a normal distribution.
b. Find and interpret the lower quartile and upper quartile of the MDI.
c. Find the inter-quartile range (IQR) of MDI scores.
d. Section 2.5 defined an observation to be a potential outlier if it is more than 1.5 × IQR below Q1 or above Q3. Find the intervals of MDI scores that would be considered potential outliers.
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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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