Discuss the effects of marijuana use during pregnancy

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Question: In a study of the effects of marijuana use during pregnancy, measurements on babies of mothers who used marijuana during pregnancy were compared to measurements on babies of mothers who did not. (Data from B. Zuckerman et al., "Effects of Maternal Marijuana and Cocaine Use on Fetal Growth," New England Journal of Medicine 320(12) (March 1989): 762-68.) A 95% confidence interval for the difference in mean head circumference (nonuse minus use) was 0.61 to 1.19 cm. What can be said from this statement about a p-value for the hypothesis that the mean difference is zero?

Reference no: EM131731804

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