Question: I need clarification on why I am not getting the correct answer. I am getting this Lower= -1.38586 Upper= -0.90665 What is the estimate 95%
I need clarification on why I am not getting the correct answer. I am getting this Lower= -1.38586 Upper= -0.90665
What is the estimate 95% confidence interval (CI) of the average difference in blood vitamin D levels between US landscapers and office workers in ng/mL?

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