For each of the following indicate whether the expected rela

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

Solution

A. size of house and size of electric bill—POSITIVE (+)

B. height of parents and height of children –POSITIVE (+)

C. air humidity level and people’s energy level –NEGATIVE (­-)

D. number of books read per year and age at which got first eyeglasses-- ZERO (0)

E. hours spent at the beach and depth of tan --ZERO (0)