b) for each week: ice cream cone sales, air-conditioner sales which variable would best be used as the explanatory variable and which as the response variable? a. air-conditioner sales would best be used as the explanatory variable, and ice cream cone sales the response variable, to predict ice cream cone sales based on air-conditioner sales. b. ice cream cone sales would best be used as the explanatory variable, and air-conditioner sales the response variable, to predict air-conditioner sales based on ice cream cone sales. c. either ice cream cone sales or air-conditioner sales can be the explanatory value. then the other will be the response variable, because ice cream cone sales can be predicted by air-conditioner sales, and air-conditioner sales can also be predicted by ice cream cone sales. d. the terms explanatory and response variable do not apply to this situation.