The average zinc concentration recovered from a sample of measurements taken in 16 different locations in...
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The average zinc concentration recovered from a sample of measurements taken in 16 different locations in a river is found to be 2.6 grams per milliliter with standard deviation of 0.3 gram per milliliter. Find the 95% and 99% confidence intervals for the mean zinc concentration in the river. The average zinc concentration recovered from a sample of measurements taken in 16 different locations in a river is found to be 2.6 grams per milliliter with standard deviation of 0.3 gram per milliliter. Find the 95% and 99% confidence intervals for the mean zinc concentration in the river.
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