Stats Solutions

Solution: Research results suggest that IQ scores for boys are more variable than IQ scores for girls. A typical study looking at 10-year-old children

Question: Research results suggest that IQ scores for boys are more variable than IQ scores for girls. 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 distribution for males and females? Test at the .05 level of significance and describe the difference.

IQ

Low Average High

Boys 18 42 20 80

Girls 12 54 14 80

n = 160

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Solution: The downloadable solution consists of 3 pages
Deliverable: Word Document


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