Exercise

Correlations by sex

As you saw in an earlier exercise, the correlation between abalone age and shellWeight was fairly strong with Pearson's r=0.63. Compute this correlation again for each sex: "I" for immature infants. "F" for adult females, and "M" for adult males.

For which sex is the correlation between age and shellWeight, the largest?

The abaloneKeep dataset, dplyr and psych packages have been loaded for you.

Instructions

50 XP

Possible Answers

"M" males have the largest correlation between age and shellWeight
"F" females have the largest correlation between age and shellWeight
"I" infants have the largest correlation between age and shellWeight

Take Hint (-15 XP)