A sample of 18 widgets has a mean of 33.600 and standard deviation of 5.550. at 99% confidence the lower limit with 3 de
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A sample of 18 widgets has a mean of 33.600 and standard deviation of 5.550. at 99% confidence the lower limit with 3 de
A sample of 18 widgets has a mean of 33.600 and standarddeviation of 5.550. at 99% confidence the lower limit with 3decimal places is?