Question: Use the one-sample t test to test the hypothesis H 0: = 120 vs. H 1: < 120 based on the birthweight data

Use the one-sample t test to test the hypothesis H 0: μ = 120 vs. H 1: μ < 120 based on the birthweight data with sample size 100 and its mean ( ) = 115, sample standard deviation (s) = 24 and using significance level α = 0.05.

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