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4. A forensic researcher samples 100 adult males and 100 adult females in his lab and measures each subject right foot length (cm). The results

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4. A forensic researcher samples 100 adult males and 100 adult females in his lab and measures each subject right foot length (cm). The results for females were cf: F = 23.8 and 3p : 1.1, and for males EM : 26.3 and SF : 1.6. (a) Test the hypothesis that the average right foot length differs between males and females using a signicance level of o: = 0.05. What do you conclude

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