Part A. It has been shown that smoking of any kind can have adverse effects on our health. The popularity of e-cigarettes is increasing. A survey regarding the vaping habits of different age groups in the U.S. is summarized in the table below. The respondents were asked whether they regularly smoke e-cigarettes (vape) or not.
Question 1 (1 point)
What is the explanatory variable in this study?
1 answer
The explanatory variable in this study is the age groups of the respondents.