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D Question 3 20 pts The length of a 95% confidence interval for mean Age is which of the following? (Because of potential roundoff, choose
D Question 3 20 pts The length of a 95% confidence interval for mean Age is which of the following? (Because of potential roundoff, choose the closest.) Data file: Data file - Question 3.xIsx O 3.72 O 4.27 3.11 O 3.37
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