(a)
To find:
Themedian of the given data.
(a)
Answer to Problem 22E
Median
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
Median
Rearrange the term
Range:-difference of largest and smallest value
(b)
To find:
The firstquartile range and third quartile point.
(b)
Answer to Problem 22E
First quartile
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
Order the data
Least value
First quartile: median of lower half
Third quartile: median of upper half
Greatest value
(c)
To find:
The interquartile range of the given data.
(c)
Answer to Problem 22E
The interquartile range is
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
Median
Rearrange the term
Range:-difference of largest and smallest value
(d)
To find:
The semi-quartile range of the given data.
(d)
Answer to Problem 22E
The semi-quartile range is
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
Median
Rearrange the term
Semi-quartile Range:-
(e)
To draw:
A box and whisker plotof the given data.
(e)
Explanation of Solution
Given:
The table
Concept used:
The mean of the squared deviation or variance
The square root of the variance
Calculation:
Median
Rearrange the term
Semi-quartile Range:-
Draw a box and whisker plot of the data
Chapter 14 Solutions
Advanced Mathematical Concepts: Precalculus with Applications, Student Edition
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