Which of the following describes a concordant pair of observations in the LOGISTIC procedure?

1. A. An observation with the event has an equal probability as another observation with the event.
2. B. An observation with the event has a lower predicted probability than the observation without the event.
3. C. An observation with the event has an equal predicted probability as the observation without the event.
4. D. An observation with the event has a higher predicted probability than the observation without the event

Correct Answer: D

A confusion matrix is created for data that were oversampled due to a rare target. What values are not affected by this oversampling?

1. A. Sensitivity and PV+
2. B. Specificity and PV-
3. C. PV+ and PV-
4. D. Sensitivity and Specificity

Correct Answer: D

Given the following GLM procedure output:

Which statement is correct at an alpha level of 0.05?

1. A. School*Gender should be removed because it is non-significant.
2. B. Gender should be removed because it is non-significant.
3. C. School should be removed because it is significant.
4. D. Gender should not be removed due to its involvement in the significant interaction.

Correct Answer: D

When mean imputation is performed on data after the data is partitioned for honest assessment, what is the most appropriate method for handling the mean imputation?

1. A. The sample means from the validation data set are applied to the training and test data sets.
2. B. The sample means from the training data set are applied to the validation and test data sets.
3. C. The sample means from the test data set are applied to the training and validation data sets.
4. D. The sample means from each partition of the data are applied to their own partition.

Correct Answer: B

Which statistic, calculated from a validation sample, can help decide which model to use for prediction of a binary target variable?

1. A. Adjusted R Square
2. B. Mallow's Cp
3. C. Chi Square
4. D. Average Squared Error

Correct Answer: D