Multiple Choice
If the correlation between the IQs of identical twins is .86,then,in any group of identical twins,what percent of the variation in the "Y" twins' IQs is accounted for by knowing the IQs of their identical siblings (the "X's") ?
A) 22
B) 43
C) 74
D) 86
Correct Answer:

Verified
Correct Answer:
Verified
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