Read online free dumps for SAS Institute- A00-240

Here you can read online questions and answers for SAS Institute Exam A00-240 (SAS Certified Statistical Business Analyst Using SAS 9 Regression and Modeling Credential ) 100% free...

Question ID 8989

Refer to the ROC curve:

As you move along the curve, what changes?

Option A

The priors in the population

Option B

The true negative rate in the population

Option C

The proportion of events in the training data

Option D

The probability cutoff for scoring

Correct Answer D
Description
Update Date and Time 2017-08-11 12:09:08

Question ID 8990

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?

Option A

The sample means from the validation data set are applied to the training and test data sets.

Option B

The sample means from the training data set are applied to the validation and test data sets.

Option C

The sample means from the test data set are applied to the training and validation data sets.

Option D

The sample means from each partition of the data are applied to their own partition.

Correct Answer B
Description
Update Date and Time 2017-08-11 12:10:40