For an approximately normally distributed random variable (X) with a mean of 200 and a standard deviation

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For an approximately normally distributed random variable $X$ with a mean of 200 and a standard deviation of 36,

a. Find the $z$-score corresponding to the lower quartile and upper quartile of the standard normal distribution.

b. Find and interpret the lower quartile and upper quartile of $X$.

c. Find the interquartile range (IQR) of $X$.

d. An observation is a potential outlier if it is more than $1.5 \times$ IQR below Q1 or above Q3. Find the values of $X$ that would be considered potential outliers.

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Statistics The Art And Science Of Learning From Data

ISBN: 9781292444765

5th Global Edition

Authors: Alan Agresti, Christine A. Franklin, Bernhard Klingenberg

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Question Posted: Apr 25, 2024 04:01 AM

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For an approximately normally distributed random variable (X) with a mean of 200 and a standard deviation

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Statistics The Art And Science Of Learning From Data

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