Identify the type of study most appropriate to the question.
-What is the mean number of cars waiting for the green light at Main and Empire at rush hour (4:00 PM to 7:00
PM)?
A)Single-blind experimental
B)Experimental
C)Retrospective observational
D)Observational

Question

Quizplus · Accepted Answer

This question aims to observe and measure the mean number of cars waiting at a specific location during a specific time without manipulating any variables. An observational study is most appropriate for this purpose, as it involves collecting data without interference or intervention.

Identify the Type of Study Most Appropriate to the Question