In an application to estimate the mean number of miles that downtown employees commute to work roundtrip
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Question:
In an application to estimate the mean number of miles that downtown employees commute to work roundtrip each day, the following information is given:
n= 15
= 8.67
s = 3.27
Based on this information, the lower limit for a 90 per cent confidence interval estimate for the true population mean is
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