Easy MLA-C01 practice questions
Direct recall — confirm you know the core facts and definitions. 2 easy questions available — no sign-up, always free.
A retail company wants to group its 2 million customers into distinct segments based on purchasing behavior, browsing patterns, and demographic attributes. The marketing team has no predefined labels for the segments and wants the model to discover natural groupings in the data so they can design targeted campaigns. Which SageMaker built-in algorithm is most appropriate for this task?
A data scientist trains three regression models to predict monthly energy consumption (in kWh) for commercial buildings. Business stakeholders want a single metric that expresses what proportion of the variance in energy consumption is explained by each model, so they can quickly communicate model quality to a non-technical executive committee. Which evaluation metric should the data scientist report?