Concept explainers
To describe the center and spread the data using five-number summary.
Answer to Problem 3GP
The five number summary is 2, 17, 23.5, 26, 32
Explanation of Solution
Given information: Given data is,
19, 2, 25, 14, 24, 20, 27, 30, 14, 25, 19, 32, 21, 31, 25, 16, 24, 22, 29, 6, 26, 32, 17, 26, 24, 26, 32, 10, 22, 19, 26, 24, 11, 23, 19, 8
Formula used: Median is,
Lower quartile is,
Upper quartile is,
Graph:
Calculation:
Re-arranging the data in an ascending order,
2, 6, 8, 10, 11, 14, 14, 16, 17, 19, 19, 19, 19, 20, 21, 22, 22, 23,24, 24, 24, 24, 25, 25, 25, 26, 26, 26, 26, 27, 29, 30, 31,32, 32, 32,
For median substituting the values,
On solving,
Substituting the values,
On solving,
Hence, Median is 23.5
For lower quartile,
Substituting the values,
So,
On solving,
On rounding off,
Substituting the value,
Hence, Lower quartile is 17
For higher quartile substituting the values,
So,
On solving,
On rounding off,
Substituting the value,
Hence, higher quartile is 26
Minimum is the smallest value of dataset.
Hence, minimum= 2.
Maximum is the largest value of the dataset.
Hence, maximum= 32.
The five number summary is,
2, 17, 23.5, 26, 32
Chapter 10 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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