Suppose that Dr. Grandtete does some measurements and states that there is a correlation (r) of +1.2 between head circumference and I.Q. What can you conclude from this result? O That head circumference and IQ are very strongly and positively related O That head circumference and IQ are weakly, but positively, related O That there is a mistake because r cannot equal +1.2

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Suppose that Dr. Grandtete does some measurements and states that there is a correlation (r) of +1.2 between head circumference and
1.Q. What can you conclude from this result?
That head circumference and IQ are very strongly and positively related
That head circumference and IQ are weakly, but positively, related
That there is a mistake because r cannot equal +1.2
That there is a mistake becauser can only be used to measure psychological variables, not physical ones like head circumference.
Transcribed Image Text:Suppose that Dr. Grandtete does some measurements and states that there is a correlation (r) of +1.2 between head circumference and 1.Q. What can you conclude from this result? That head circumference and IQ are very strongly and positively related That head circumference and IQ are weakly, but positively, related That there is a mistake because r cannot equal +1.2 That there is a mistake becauser can only be used to measure psychological variables, not physical ones like head circumference.
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