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case2102 from the Sleuth3 library explores the survival rates of two different colour morphs for the same species of moth. An experiment was conducted where
case2102 from the Sleuth3 library explores the survival rates of two different colour morphs for the same species of moth. An experiment was conducted where two sets of moths from either the light or dark colour morph were placed on trees a variety of distances from Liverpool. The dataset records the number of moths placed at each site and the number that got removed (i.e. eaten) along with the distance from Liverpool and the type of color morph (light or dark). Consider the code below and pick all the statements below which you think are supported by the output. > library (Sleuth3) > binResponse case2102$Morph myGlml summary (myGlml ) Call : glm (formula = binResponse ~ Distance + Morph + Distance : Morph, family = binomial, data = case2102) Deviance Residuals : Min 1Q Median 30 Max -2. 21183 -0.39883 0 . 01155 0 . 68292 . 1. 31242 Coefficients : Estimate Std. Error z value pr (>\\z)) (Intercept) -0. 717729 0 . 190205 -3. 773 0. 000161 * * * Distance -0. 009287 0 . 005788 -1. 604 0. 108629 Morphdark -0 . 411257 0 . 274490 -1. 498 0.134066There is an effect of distance for dark morphs but there may not be an effect for distance for light morphs O Distance is not significant and should be removed from the model. At a distance of zero from Liverpool the odds of survival for the light and dark morphs could be the same. O Morph is not significant and should be removed from the model
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