Solved: Three strains of rats were studied under 2
Chapter 14, Problem 14.3(choose chapter or problem)
Three strains of rats were studied under 2 environmental conditions for their performance in a maze test. The error scores for the 48 rats were recorded. Strain Environment Bright Mixed Dull Free 28 12 33 83 101 94 22 23 36 14 33 56 25 10 41 76 122 83 36 86 22 58 35 23 Restricted 72 32 60 89 136 120 48 93 35 126 38 153 25 31 83 110 64 128 91 19 99 118 87 140 Use a 0.01 level of signicance to test the hypothesis that (a) there is no dierence in error scores for dierent environments; (b) there is no dierence in error scores for dierent strains; (c) the environments and strains of rats do not interact.
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