Exercise science researchers collecting data within their state noticed that teens who spend more time streaming videos spend less time exercising.
A
Explanatory variable: time spent exercisingResponse variable: state of teen’s residenceB
Explanatory variable: time spent streaming videosResponse variable: time spent exercisingC
Explanatory variable: time spent exercisingResponse variable: time spent streaming videosD
Explanatory variable: state of teen’s residenceResponse variable: time spent streaming videos