Sta 108 Homework 7 Solution

77778 17640924 2263493 x20 c42222 21387119

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Unformatted text preview: confidence intervals are : X=10, C=- 5.77778, (7.986276, 13.15414) X=15, C=- 0.77778, (17.640924, 22.63493) X=20, C=4.2222 , (21.387119, 26.18407) d. Use R commander to find the 99% prediction interval. When X=15, C=- 0.77778. Plug C into regression function in a, we get the confidence interval is (10.973 , 29.302) 9.10 a. X1 n: 25 1 6 | 2...
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This note was uploaded on 04/23/2013 for the course STA 108 taught by Professor Drake during the Spring '09 term at UC Davis.

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