STAT 431

American University Of Health Sciences

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Stat 431 Assignment 4 solutions|100% correct

Stat 431 Assignment 4 solutions|100% correct
Exam (elaborations) • 13 pages • 2023

Stat 431 Assignment 4 solutions 1. [16 marks] (a) [4 marks] We start with fitting the log-linear model without a three way interaction term. This model results in a deviance test D = 26.690, p − value = P(χ 2 8 > D) = 0. < 0.05 So we reject the H0: the model without the three way interaction fits as well as the saturated model (which is the model with three-way interaction). This implies that the three way interaction between age, breathlessness and coughing is necessary to d...