Which is true about a correlational analysis technique?
a. It is most desirable for small samples with homogeneous scores.
b. It is used to determine cause and effect among sets of variables.
c. It measures the relationship among variables.
d. It usually involves comparing data from two subjects.
Question 2
A researcher presents data to examine the relationship between income and weight and uses a scatterplot to display the results. The researcher places income level intervals along the vertical line in the graph. The reviewer knows that
a. data about income represent the independent variable
b. income data are presented along the X axis.
c. the plot will show whether the relationship is negative or positive.
d. weight values will occur along the Y axis.
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