Chi-square hypothesis test-male-female iq scores

Reference no: EM13107867

Research results suggest that IQ scores for boys are more variable than IQ scores for girls (Arden & Plomin, 2006). A typical study looking at 10-year-old children classifies participants by gender and by low, average, or high IQ. Following are hypothetical data representing the research results. Do the data indicate a significant difference between the frequency distributions for males and females? Test at the .05 level of significance and describe the difference.

Boys IQ: Low 18 Average 42 High 20

Girls IQ: Low 12 Average 54 High 14

Reference no: EM13107867

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