Answer :
The independent variable is customers.. No one can tell how many customers are going to come unless they write..
So it can't be B or D
The independent variables should be on horizontal line when considered as a scatter plot.
So it's A. The independent variable is customers and is graphed along the horizontal axis
So it can't be B or D
The independent variables should be on horizontal line when considered as a scatter plot.
So it's A. The independent variable is customers and is graphed along the horizontal axis