Question: Consider model (9.18). What is the effect on the model parameter estimates, their standard errors, and the goodness-of-fit statistics when (a) The times at risk

Consider model (9.18). What is the effect on the model parameter estimates, their standard errors, and the goodness-of-fit statistics when (a) The times at risk are doubled, but the numbers of deaths stay the same; (b) The times at risk stay the same, but the numbers of deaths double; and (c) The times at risk and the numbers of deaths both double.

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