Concept explainers
To compare the sample using mean and standard deviation.
Answer to Problem 10.1.2P
Option (d)
Explanation of Solution
Given information:
Formula used:
SD is standard deviation
nis number of frequencies
Calculation:
For male students
n=12
Using mean formula
On solving,
mean=70
Using standard deviation formula
On solving,
SD=2.02 For female students
n=12
Using mean formula
On solving,
mean= 66
Using standard deviation formula
On solving,
SD=8.20 SD is low then the height of the male students is closed to mean
SD is high then the height of the female student is spread out to the mean
Chapter ISG Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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