Question
Which research question is best suited for an observational study?
How has the population of Town A increased over the past 50 years?
What percentage of students in the engineering program are left-handed?
Do pedestrians jaywalk or use crosswalks when it is not rush hour?
What is the correlation between birth weight and height?
The third one????
How has the population of Town A increased over the past 50 years?
What percentage of students in the engineering program are left-handed?
Do pedestrians jaywalk or use crosswalks when it is not rush hour?
What is the correlation between birth weight and height?
The third one????
Answers
oobleck
I agree