expected relationship between the two variables will be positive (+), negative (–), or zero (0), statistics homework help
For each of the following, indicate whether the expected relationship between the two variables will be positive (+), negative (–), or zero (0):
____ a.size of house and size of electric bill
____ b.height of parents and height of children
____ c.air humidity level and people’s energy level
____ d.number of books read per year and age at which got first eyeglasses
____ e.hours spent at the beach and depth of tan
