Essentials of Statistics for the Behavioral Sciences
Essentials of Statistics for the Behavioral Sciences
8th Edition
ISBN: 9781133956570
Author: Frederick J Gravetter, Larry B. Wallnau
Publisher: Cengage Learning
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Chapter 15, Problem 17P

Research results suggest that IQ scores for boys are more variable than IQ scores for s 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.

Chapter 15, Problem 17P, Research results suggest that IQ scores for boys are more variable than IQ scores for s girls (Arden

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Essentials of Statistics for the Behavioral Sciences

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