Mathematics, 27.05.2020 01:58 baileysosmart
A recent study was conducted to determine the concentration of lead in drinking water across various states. 25 water samples from the state of Washington were tested; the mean lead concentration was found to be 0.15%. This compares to 32 water samples in the state of Minnesota where the mean was reported to be 0.21%. The data was calculated to be significant at the 0.0001 level. Determine the meaning of this significance level.
Answers: 3
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A recent study was conducted to determine the concentration of lead in drinking water across various...
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