The SAS Certified Statistical Business Analyst credential validates your ability to apply statistical methods and predictive modeling techniques using SAS. The A00-240 exam, formally titled SAS Statistical Business Analysis SAS9: Regression and Model, tests your proficiency in designing and interpreting regression models, analyzing variance, and building reliable predictive solutions. This page guides you through the exam structure, core topics, and effective study strategies to help you prepare with confidence. Whether you are advancing your analytics career or strengthening your statistical foundation, understanding the exam scope and question patterns is essential for success.
Use this topic map to guide your study for SAS A00-240 (SAS Statistical Business Analysis SAS9: Regression and Model) within the SAS Certified Statistical Business Analyst path.
The A00-240 exam combines multiple-choice questions with scenario-based items that measure both statistical knowledge and practical decision-making. Questions progress in difficulty and emphasize real-world application over memorization.
Questions reflect progressive difficulty and require you to connect statistical theory to practical workflows, ensuring your preparation translates to on-the-job effectiveness.
An efficient study plan maps core topics to weekly milestones, allowing time for both concept review and hands-on practice. Allocate more study time to topics that appear frequently on the exam and areas where you feel less confident. Consistent, focused practice builds both speed and accuracy.
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Linear Regression and Logistic Regression typically account for a significant portion of exam questions, as they are foundational to predictive modeling in SAS. Model Performance Measurement is also heavily tested because selecting and interpreting the right metrics is critical to real-world decision-making. ANOVA and data preparation topics are tested but often appear in context of broader regression workflows.
ANOVA is often used in exploratory analysis to test whether predictor variables differ significantly across groups before building a regression model. Linear Regression models continuous outcomes, while Logistic Regression handles binary classification; both rely on similar diagnostic principles and assumption-checking methods. Understanding all three helps you choose the right tool for each business problem and interpret results correctly.
Practical experience with SAS PROC REG, PROC LOGISTIC, and PROC ANOVA is highly valuable because the exam tests real-world application, not just theory. Prioritize labs that involve building models from raw data, checking assumptions using diagnostic plots, and interpreting SAS output. Hands-on practice with data preparation and feature engineering is especially important because many candidates underestimate its complexity.
Many candidates confuse when to use linear versus logistic regression or misinterpret model diagnostics such as residual plots and multicollinearity tests. Others struggle with performance metrics, selecting inappropriate measures for their business context or misunderstanding trade-offs between sensitivity and specificity. Rushing through data preparation questions is another common pitfall; careful attention to missing values, scaling, and feature selection often determines model success.
Focus on your weakest topics and revisit questions you answered incorrectly during practice. Complete one full-length timed mock exam to confirm pacing and identify any remaining knowledge gaps. Review key formulas, assumptions, and interpretation rules for each major topic, and keep a summary sheet of common SAS procedures and their output elements. Avoid cramming new material; instead, reinforce what you already know and build confidence through targeted review.
Refer to the confusion matrix:

Calculate the accuracy and error rate (0 - negative outcome, 1 - positive outcome)
A predictive model uses a data set that has several variables with missing values.
What two problems can arise with this model? (Choose two.)
Refer to the lift chart:

What does the reference line at lift = 1 corresponds to?
An analyst fits a logistic regression model to predict whether or not a client will default on a loan. One of the predictors in the model is agent, and each agent serves 15-20 clients each. The model fails to converge. The analyst prints the summarized data, showing the number of defaulted loans per agent. See the partial output below:

What is the most likely reason that the model fails to converge?