expected relationship between the two variables will be positive negative or zero 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


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