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

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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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