Refer to the following exhibit:

What is a correct interpretation of this graph?
A. The association between the binary predictor and the log-odds is quadratic.
B. The association between the continuous predictor and the binary response is quadratic.
C. The association between the continuous predictor and the continuous response is quadratic.
D. The association between the continuous predictor and the log-odds is quadratic.
正解:D
質問 2:
This question will ask you to provide missing code segments.
A logistic regression model was fit on a data set where 40% of the outcomes were events (TARGET=1) and
60% were non-events (TARGET=0). The analyst knows that the population where the model will be deployed has 5% events and 95% non-events. The analyst also knows that the company's profit margin for correctly targeted events is nine times higher than the company's loss for incorrectly targeted non-event.
Given the following SAS program:

What X and Y values should be added to the program to correctly score the data?
A. X=.05, Y=10
B. X=.10, Y=05
C. X=.05, Y=.40
D. X=40, Y=10
正解:A
質問 3:
Refer to the REG procedure output:

The Intercept estimate is interpreted as:
A. The predicted value of the response when all predictors = 0.
B. The predicted value of the response when all the predictors are at their current values.
C. The predicted value of the response when all predictors are at their means.
D. The predicted value of the response when all predictors are at their minimum values.
正解:A
質問 4:
Which statistic, calculated from a validation sample, can help decide which model to use for prediction of a binary target variable?
A. Chi Square
B. Average Squared Error
C. Adjusted R Square
D. Mallow's Cp
正解:B
質問 5:
Which SAS program will best identify influential observations in a multiple regression application?

A. Option C
B. Option A
C. Option D
D. Option B
正解:A
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