(a)
To explain: The provided pair of variables as response, explanatory or neither.
To explain: The provided pair of variables is neither response nor explanatory.
(b)
To explain: The given pair of variables as response, explanatory or neither.
To explain: The variable “the number of pages in the textbook” is explanatory and the variable “the cost of new copy of the textbook” is a response variable.
(c)
To explain: The given pair of variables as response, explanatory or neither.
To explain: The variable “the number of alcoholic drinks consumed” is explanatory and the variable “the blood alcohol content” is a response variable.
(d)
To explain: The given pair of variables as response, explanatory or neither.
To explain: The variable “the dose of vitamin D given each day a year” is explanatory and the variable “the change in total bone mineral content since the beginning of the study” is a response variable.
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