On the average, although men have larger brains than women, men and women have equal IQ scores. What is a likely explanation?
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Men have larger brains than women on average. Show more…
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Given the size of a human's brain, x, and their score on an IQ test, y, would you expect a positive correlation, a negative correlation, or no correlation?
Christopher D.
Refer to the data in the table below. The IQ score and brain volume are listed for each of five different subjects. $$\begin{array}{|l|l|l|l|l|l|}\hline \multicolumn{2}{|l|} {\text { IQ Score and Brain Volume }} \\\hline \text { Subject } & 1 & 2 & 3 & 4 & 5 \\\hline \text { IQ Score } & 87 & 127 & 101 & 94 & 97 \\ \hline \text { Brain Volume }(\mathrm{cm} 3) & 1035 & 1034 & 1173 & 1347 & 1029 \\\hline \hline \end{array}$$ Conclusion If we were to use such data and conclude that there is a correlation or association between IQ score and brain volume, does it follow at larger brains are the cause of higher IQ scores?
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