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(Solved): A simple random sample of birth weights of 30 girls has a standard deviation of \( 829.5 \) hig. Us ...
A simple random sample of birth weights of 30 girls has a standard deviation of \( 829.5 \) hig. Use a \( 0.01 \) significance level to test the claim that birth weights of girls have the same standard deviation as birth weights of boys, which is \( 660.2 \mathrm{hg} \). Attach File
Expert Answer
Given data : sample size, n = 30 population standard deviation,?= 660.2 sample standard deviation,s= 829.5 Significance level, ?= 0.01 Degree of freedom,df= 29