Which of the following statements is true regarding the distribution of IQ scores
A)The mean is higher for men than for women.
B)The mean is lower for men than for women.
C)The standard deviation is higher for men than for women.
D)The standard deviation is lower for men than for women.

Question

Quizplus · Accepted Answer

Research on IQ scores has shown that while the average (mean) IQ scores for men and women are very similar and thus do not differ significantly, the distribution of scores shows a higher standard deviation for men than for women. This means that men's IQ scores are more spread out, with more men at both the extreme lower and higher ends of the IQ scale compared to women.

Which of the Following Statements Is True Regarding the Distribution