(a)
To find:
Do the data provide sufficient evidence to indicate a difference in mean increase in heart rate among the four age groups? Test by using
(a)
Answer to Problem 11.60SE
There is no sufficient evidence to indicate a difference in mean increase in heart rate among the four age groups.
Explanation of Solution
Given:
Total |
Calculation:
From the MINITAB output:
One-way ANOVA:
Source | |||||
Factor | |||||
Error | |||||
Total |
From the above printout the value of
So, we can conclude that there is no sufficient evidence to indicate a difference in mean increase in heart rate among the four age groups.
Conclusion: There is no sufficient evidence to indicate a difference in mean increase in heart rate among the four age groups.
(b)
To find: a
(b)
Answer to Problem 11.60SE
The
Explanation of Solution
Given:
Total |
Calculation:
Level | N | Mean | |
The
And we have,
So, the
Conclusion: Thus, the
(c)
To find: a
(c)
Answer to Problem 11.60SE
The
Explanation of Solution
Given:
Total |
Calculation:
We have given,
And we have
Now, we want to calculate the
The
Conclusion: Thus, the
(d)
To find: the number ofpeople needed in each group to estimate two beats per minute with probability equal to
(d)
Answer to Problem 11.60SE
The number of people that we need in each group is
Explanation of Solution
Given:
Total |
Calculation:
The formula for sample size is given by,
The number of people that we need in each group is
Conclusion: The number of people that we need in each group is
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Chapter 11 Solutions
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