Concept explainers
(a)
The median of the data
(a)
Answer to Problem 9PPS
Median = 50
Explanation of Solution
Given:
The given data is
Calculation:
The data can be written as
31, 35, 35, 37, 37, 39, 42, 44, 44, 46, 46, 48, 48, 50, 50, 50, 53, 54, 56, 56, 57, 61, 66, 67, 68, 68 and 88
Total number of entries is 27
Therefore, the median will be the 14th entry, that is, 50
(b)
The mode of the data
(b)
Answer to Problem 9PPS
Mode = 50
Explanation of Solution
Given:
The given data is
Calculation:
The data can be written as
31, 35, 35, 37, 37, 39, 42, 44, 44, 46, 46, 48, 48, 50, 50, 50, 53, 54, 56, 56, 57, 61, 66, 67, 68, 68 and 88
Mode: It is the value or values which is occurring most frequently in the data set
As 50 is occurring 3 times in the data set, that is why,
Mode = 50
(c)
The differences between the greatest number and the least number of pages
(c)
Answer to Problem 9PPS
57
Explanation of Solution
Given:
The given data is
Calculation:
The data can be written as
31, 35, 35, 37, 37, 39, 42, 44, 44, 46, 46, 48, 48, 50, 50, 50, 53, 54, 56, 56, 57, 61, 66, 67, 68, 68 and 88
Greatest number = 88
Lowest number = 31
Difference will be = 88 − 31 = 57
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Pre-Algebra Student Edition
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