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A study reported an r of .5 for data relating illicit drug use as the predictor variable to early death syndrome as the response variable. Interpret this.

	A correlation of .5 is very strong; it appears cannabis use causes early death.
	A correlation of .5 is moderate; it appears cannabis use may cause early death.
	A correlation of .5 is weak; cannabis probably does not cause early death.
	A correlation of .5 is moderate; there appears to be a relationship but the nature of the relationship is not specified.

33 of50

Here is a scatter plot for a set of bivariate data.

16 of 50 What kind of graph is this? 0.07 0.06 0.05 0.04 Density 0.03 0.02 0.01 0.00 30 35 40 45 50 55 60 65 70 Nose lengths (mm)\f24 of 50 Determine the shape of the distribution shown below.28 of 50 Here is a scatter plot for a set of bivariate data. + + +\f12 0f50 The box plot below shows weekly spending on groceries. Weekly spending on groceries ($) C: +HiiIiiiiili9 4O 60 80 100 120 140