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Solved: Modified Boxplot A modified boxplot is a boxplot
Chapter 2, Problem 57EC(choose chapter or problem)
Problem 57EC
Modified Boxplot A modified boxplot is a boxplot that uses symbols to identify outliers. The horizontal line of a modified boxplot extends as far as the minimum data entry that is not an outlier and the maximum data entry that is not an outlier. In Exercise, (a) identify any outliers and (b) draw a modified boxplot that represents the data set. Use asterisks (*) to identify outliers.
16 9 11 12 8 10 12 13 11 10 24 9 2 15 7
Questions & Answers
QUESTION:
Problem 57EC
Modified Boxplot A modified boxplot is a boxplot that uses symbols to identify outliers. The horizontal line of a modified boxplot extends as far as the minimum data entry that is not an outlier and the maximum data entry that is not an outlier. In Exercise, (a) identify any outliers and (b) draw a modified boxplot that represents the data set. Use asterisks (*) to identify outliers.
16 9 11 12 8 10 12 13 11 10 24 9 2 15 7
ANSWER:
Solution
Step 1 of 2
a) We have to identify the outliers
From the given data
=
=
=9
=
=
=13
=13-9
=4
Lower forth=
=9-1.5(4)
=3
Upper forth=
=13+1.5(4)
=19
The points beyond 3 to 19 are called as outliers
From the given data 2 and 24 are not in the interval (3,19)
Hence 2 and 24 are outliers