(a)
To explain:
The conditions are very similar of the given data.
(a)
![Check Mark](/static/check-mark.png)
Explanation of Solution
Given:
Concept used:
Formula
Significance level
Calculation:
Parameter
The best point of estimate of
Since the
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)
![Check Mark](/static/check-mark.png)
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)
![Check Mark](/static/check-mark.png)
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)
![Check Mark](/static/check-mark.png)
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
ACHIEVE F/PRACT OF STAT IN LIFE-ACCESS
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