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a size of house and size of electric bill ----Positive relationship

b.
height of parents and height of children -Positive relationship

c.
air
humidity level and people’s energy level--zero relationship

d.
number of books read per year and age at which
got first eye glasses ---zero relationship

e.
hours spent at the beach and depth of tan ----Zero relationship Please let me know if you need any clarification. I'm always happy to answer your questions.

A dorm has 86 men and 132 women living in it. The number of men and women at the college is
753 and 1,063, respectively. The dean of
students wonders if this dorm’s sex ration reflects the sex ratio of the
college.