The following sample observations were randomly selected.
x: | 5 | 3 | 6 | 3 | 4 | 4 | 6 | 8 | |||
y: | 13 | 15 | 7 | 12 | 13 | 11 | 9 | 5 | |||
Determine the 0.95 confidence interval for the mean predicted when x = 7. (Round your answers to 4 decimal places.)
Determine the 0.95 prediction interval for an individual predicted when x = 7. (Round your answers to 4 decimal places.)
The statistical software output for this problem is:
From above output:
a) 0.95 confidence interval:
(4.5522, 9.2921)
b) 0.95 prediction interval:
(2.2239, 11.6204)
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