(a)
To explain:
The conditions are very similar of the given data.
(a)
Explanation of Solution
Given:
Concept used:
Formula
Significance level
Calculation:
Parameter
The best point of estimate of
Since the sample size are large.
The condition for the two samples
To met chi square test, the population distribution is normal.
(b)
To find:
The value of the statistic
(b)
Answer to Problem 22.12AYK
Explanation of Solution
Given:
Concept used:
Formula
Standard of error
Significance level
Calculation:
Parameter
The best point of estimate of
The value of
Pooled proportion
Standard of error
For two-tail test
(c)
To find:
The value of the chi-square
(c)
Answer to Problem 22.12AYK
Explanation of Solution
Given:
Concept used:
Formula
Standard of error
Significance level
Calculation:
Parameter
The best point of estimate of
The value of
Pooled proportion
Standard of error
Since
So the hypothesis is fail to reject null hypothesis
(d)
To explain:
The effectiveness of supplementing
(d)
Explanation of Solution
Given:
Concept used:
Formula
Standard of error
Significance level
Calculation:
Parameter
The best point of estimate of
The value of
Pooled proportion
Standard of error
For two-tail test
Significance level
Since
So the hypothesis is fail to reject null hypothesis
Supplementing
So, the regain functional independence.
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Chapter 22 Solutions
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