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Statistical R-Team Examines Perplexing Libraries Problem MCQ

Computing the percent correctly predicted by the model is one way to determine

Answer

Correct Answer: Model fit.

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For a categorical predictor in a logistic regression model, what is the group that other groups are compared to called?

Answer

Correct Answer: Reference group

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A confidence interval indicates a significant odds ratio when

Answer

Correct Answer: It does not include 1.

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A significant odds ratio of 2.5 for BMI as a continuous predictor of heart disease in a binary logistic model would indicate which of the following?

Answer

Correct Answer: The odds of heart disease are 2.5 times higher for every 1-point increase in BMI.

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Which of the following is not an assumption for binary logistic regression?

Answer

Correct Answer: Normally distributed variables

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