Chapter 3-2

# Chapter 3-2 - Chapter3 NumericalMethods Part2 1 Percentiles...

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Chapter 3 Descriptive Statistics:  Numerical Methods Part 2 1

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Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 Percentiles –  There is no universal way to calculate percentiles.  Every software seems to calculate it differently.  Fortunately, this will only be noticeable with  smaller dataset which you can list and see for  yourself. For larger sets this difference is less  noticeable. How are we going to calculate percentiles? 2
Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 Interquartile range (IQR) = Q3 – Q1 where Q1 is 25th percentile, Q3 is 75th Box plots - 5 number summary (Min, Q1, Median, Q3, Max) Try here: 1 3 7 9 10 11 12 1 3 7 9 10 12 13 15 1 3 7 9 10 12 13 15 27 3

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Chapter 3 - Descriptive Statistics: Numerical Methods DSC 205 Draw the boxplot for: 1 3 7 9 10 11 12 13 15 27 The five number summary and type of distribution 4
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## This note was uploaded on 10/20/2011 for the course DSC 205 taught by Professor Krallman during the Spring '08 term at Miami University.

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Chapter 3-2 - Chapter3 NumericalMethods Part2 1 Percentiles...

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