Renata wants to survey her 30 classmates about their favorite hobby. Her data can contain only 13 data points.

Renata wants to learn the favorite hobby of all 30 classmates, but her data include responses from only 13 people. Because 17 classmates are not represented, the data may not adequately describe the whole group. This is inadequate data, not necessarily false data or a recording error.

AI-written and checked against the verified answer.