(a)
To construct a 95% confidence, interval for the mean.
(a)
Answer to Problem 13E
The
Explanation of Solution
Given information:
Age 12 | Age 14 | Age 12 | Age 14 |
57.9 | 62.9 | 55.4 | 61.8 |
61.1 | 65.9 | 58.7 | 64.2 |
62.7 | 67.5 | 64.3 | 69.8 |
67.5 | 73.7 | 58.1 | 63.3 |
59.2 | 64.9 | 63.3 | 69.6 |
61.4 | 67 | 61.2 | 66.4 |
60.7 | 65.5 | 64.5 | 69.2 |
55.9 | 62.1 | 55.9 | 62 |
59.7 | 65.4 | 60.4 | 65.7 |
56.3 | 61.5 | 57.8 | 62.8 |
63 | 68.5 | 68.3 | 73.6 |
58.6 | 63.9 | 63 | 67.7 |
61.1 | 65.8 | 64.4 | 69.2 |
59.5 | 64.5 | 58.2 | 64.6 |
61.6 | 66.3 | 59.7 | 66.1 |
59.3 | 64.2 | 60.2 | 65.9 |
62.1 | 67.1 | 63.7 | 68.3 |
62.8 | 68.1 | 60.2 | 65.2 |
65.3 | 69.9 | 62.7 | 67.9 |
60.4 | 66.7 | 55.6 | 61.73 |
Formula used Construct the
MINITAB procedure:
Step
Step
Step
Step
Step
Step
Calculation:
MINITAB output:
Paired T-Test and
Paired
T-test of mean difference
Form the above MINITAB output, the
(b)
To explain whether the confidence interval contradict the claim that mean height is 5.5 inches.
(b)
Answer to Problem 13E
No. tile confidence interval does not contradicts the claims that “the mean increase in height is
Explanation of Solution
Calculation:
Check whether the confidence interval contradict the given claim or not.
The
No. the confidence interval does not contradicts the claims that “the mean increase in height is
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