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In order to estimate the mean FICO credit score of its members, a credit union samples the scores of 95 members and obtains a sample
In order to estimate the mean FICO credit score of its members, a credit union samples the scores of 95 members and obtains a sample mean of 738.2 with standard deviation 64.2. Construct a 99% confidence interval for the mean FIO score of all its members
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Design And Analysis Of Experiments
Authors: Douglas C., Montgomery
5th Edition
978-0471316497, 0471316490
