Statistician perform the likelihood ratio test for the nested models, how many degrees of freedom would have been associated with the sampling distribution of the test statistic?

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 Statistician perform the likelihood ratio test for the nested models, how many degrees of freedom would have been associated with the sampling distribution of the test statistic?
For a logistic regression looking at the log-odds of obesity among 20 to 70 year olds, age was
included as a predictor. Age was recorded into categories: 20-29, 30-39. 40-49, 50-59, and 60-70.
Given it is an ordinal variable, the statistician acknowledged that age could be included in the logistic
regression model as continuous or categorical. Suppose that the statistician used loglikelihood ratio
test of nested models to examine whether age could be treated as continuous. first, what is the
Transcribed Image Text:For a logistic regression looking at the log-odds of obesity among 20 to 70 year olds, age was included as a predictor. Age was recorded into categories: 20-29, 30-39. 40-49, 50-59, and 60-70. Given it is an ordinal variable, the statistician acknowledged that age could be included in the logistic regression model as continuous or categorical. Suppose that the statistician used loglikelihood ratio test of nested models to examine whether age could be treated as continuous. first, what is the
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