Case 11
The Survey Sample Mirage
Open the file, inspect the artifacts, and decide what the evidence can support before the replay appears.
Case intake
The Survey Sample Mirage
A customer research team has a clean slide for tomorrow: 64 percent of surveyed members say the new self-service portal should replace phone support for routine billing questions. The finding is already being described as "what customers want."
You are the data science reviewer. Decide whether the survey can support the product recommendation, and how strongly the team should state the result.
View transcript
The headline is strong, but I am nervous that we mostly heard from portal users. If we slow this down, product will say we are ignoring customer voice.
Evidence board
Work the scene
Inspect artifacts in any order. Sort what each one does, cite the few you would rely on, then assemble a final judgment with confidence.