Problem 4 Pg 419
Which of these studies might be analyzed with a correlation?
which group has a higher reading comprehension level- dyslexic children versus
ADHD (attention deficit hyperactivity disorder) children
amount of religious commitment and frequency of attendance at religious
number of doctor visits and income level
soft drink preferences of college student levels
Problem 12 Pg425
For each of the following, indicate whether the expected
relationship between the two variables will be positive (+) or negative (- ),
or zero (0):
_______ a.) Size of a house and size of an electric bill
_______ b.) Height of parents and height of children
_______ c.) Air humidity level and peoples 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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