The data accumulated by a public safety officer who measures the speed of all the cars that pass a given point is referred to as _______ data.

Question

Quizplus · Accepted Answer

Observational data is collected by directly observing a phenomenon or event, which is what the public safety officer is doing by measuring the speed of all passing cars. Questionnaire data would be collected by asking individuals to respond to a set of questions, hypothetical data would be based on assumptions or theoretical scenarios, and problematical data is not a recognized term in statistics.

The Data Accumulated by a Public Safety Officer Who Measures