Question 1
Using the equation in number #8 again, if a homeowner doubles the number of lights he uses from 500 to 1000, how much do we predict he will increase his electric bill by?
◦ $35
◦ $2
◦ $22.50
◦ $12.50
◦ $10
Question 2
Associations For each pair of variables, indicate what association you expect: positive linear(+), negative linear(-), curved(C), or none(N).
___ a. the number of hours in the sun; the number of mold cultures on a piece of bread
___ b. the number of hours a store is open; the number of sales the store has
___ c. the number of hours you practice golf; your golf score
___ d. the price of gasoline; the number of families that take summer road trips
___ e. the size of a front lawn; the number of children who live in the house