When plotting correlational data, the appropriate graph to use is the
a. line graph. c. histogram.
b. bar graph. d. scatterplot.
Question 2
We should do a scatterplot of the data when we compute a correlation because the scatterplot allows us to
a. see the relationship between the two variables.
b. determine the exact value of the correlation coefficient.
c. determine whether a relationship is likely to exist in the population from which the sample is taken.
d. predict accurate Y scores for known X scores.
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