The following sample observations were randomly selected: (Round the final answers to 4 decimal places.)
X: |
11 |
9 |
9 |
7 |
8 |
5 |
6 |
10 |
Y: |
8 |
9 |
19 |
11 |
13 |
5 |
24 |
9 |
a. Determine the 95% confidence interval for the mean predicted when X = 13.
[ ? , ? ]
b. Determine the 95% prediction interval for an individual predicted when X = 13.
[ ? , ? ]
The statistical software output for this problem is:
Hence,
a) 95% confidence interval at x = 13:
(-6.4271, 25.4401)
b) 95% prediction interval at x = 13:
(-13.3336, 32.3466)
The following sample observations were randomly selected: (Round the final answers to 4 decimal places.) X:...
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