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Further- Chapter 2- Summarising Numerical Data
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What is the median
The midpoint of distribution where 50% of data is on either side
located at (n+1
_{/2}
) position
What is the range
The simplest measure for the spread of a distribution
R= largest value- smallest value
What is the inter quartile range (IQR)
The spread of the middle 50% of data.
IQR= Q3-Q1
Q1= midpoint of half below median
Q2= median
Q3= midpoint of half above median
What is included in a five number summary
median
Q1
Q3
minimum
maximum
(all shown in a box plot)
Author
jt.mcrae
ID
59305
Card Set
Further- Chapter 2- Summarising Numerical Data
Description
Summarising Numerical Data
Updated
2011-01-12T03:49:56Z
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