Question: Sloppy writing about correlation. Each of the following statements contains a blunder. Explain in each case what is wrong.

(a) "There is a high correlation between the gender of American workers and their income."

(b) "We found a high correlation r = 1.09 between students' ratings of faculty teaching and ratings made bye other faculty members"

(c) "The correlation between planting rate and yield of corn was found to be r = 0.23 bushels"