1)Will the following variables have positive correlation, negative correlation, or no correlation? Head Circumference & IQ 2) If the linear correlation between two variables is negative, what can be said about the slope of the regression line? a)More info is needed b)negative c)positive 3) A contingency table relates______________________ a)Two categories of data b)A particular response with order in which that response should be applied c)The difference in the means of two random variables d)Only continuous variables Solution (1)no correlation (2)b)negative (3)b)A particular response with order in which that response should be applied.

1. 1)Will the following variables have positive correlation, negative correlation, or no correlation?
Head Circumference & IQ
2) If the linear correlation between two variables is negative, what can be said about the slope of
the regression line?
a)More info is needed
b)negative
c)positive
3) A contingency table relates______________________
a)Two categories of data
b)A particular response with order in which that response should be applied
c)The difference in the means of two random variables
d)Only continuous variables
Solution
(1)no correlation
(2)b)negative
(3)b)A particular response with order in which that response should be applied