Multiple Choice
Cole and Daniel are brothers, born 18 months apart. Eric and Frank are brothers, born 6 years apart. Which of the following is TRUE regarding the correlation between the IQ scores of Cole and Daniel on the one hand and that between the IQ scores of Eric and Frank on the other?
A) Cole's and Daniel's scores are more highly correlated than those of Eric and Frank.
B) The correlation is near zero for each pair of brothers.
C) Eric's and Frank's scores are more highly correlated than those of Cole and Daniel.
D) The correlation coefficient between Cole's and Daniel's scores is probably very similar to that between the scores of Eric and Frank.
Correct Answer:
Verified
Correct Answer:
Verified
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