Referring to the box plots introduced in Chapter 2, the sides of the box are at the
Question:
a. If the data are normally distributed, what percentage of values will be mild outliers? What percentage will be extreme outliers? Why don’t the answers depend on the mean and/or standard deviation of the distribution?
b. Check your answers in part a with simulation. Simulate a large number of normal random numbers, and count the number of mild and extreme outliers with appropriate IF functions. Do these match, at least approximately, your answers to part a?
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Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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