Refer to the exhibit.
Based on the control plot, which conclusion is justified regarding the means of the response?
Given the following SAS data set TEST:
Which SAS program is NOT a correct way to create dummy variables?
Refer to the exhibit:
An analyst examined logistic regression models for predicting whether a customer would make a purchase. The ROC curve displayed summarizes the models. Using the selected model and the analyst's decision rule, 25% of the customers who did not make a purchase are incorrectly classified as purchasers.
What can be concluded from the graph?
Refer to the exhibit.
These graphs were created using the GLM procedure with the plots(only)=diagnostics option.
Which plot do you use to identify influential observations?
An analyst compares the mean salaries of men and women working at a company.
The SAS data set SALARY contains variables:
Gender (M or F)
Pay (dollars per year)
Which SAS programs can be used to find the p-value for comparing men's salaries with women's salaries? (Choose two.)
Including redundant input variables in a regression model can:
Which statistic is based on the maximum vertical distance between the primary event EDF and the secondary event EDF?
Which statistic, calculated from a validation sample, can help decide which model to use for prediction of a binary target variable?
The selection criterion used in the forward selection method in the GLMSELECT procedure is:
While building a predictive model, median imputations are performed while preparing the training data.
How should the imputations be addressed in the validation data?