When plotting correlational data, the appropriate graph to use is ...

[pepyto]

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.

[lcapri7]

Answer to Question 1

D

Answer to Question 2

A