Two methods for measuring the concentration of salt in water are being compared. Twelve measurements made by method A have a mean of 13 g/L with a standard deviation of 3 g/L. Fifteen measurements made by method B have a mean of 18 g/L and a standard deviation of 3 g/L. Can you conclude that the mean measurements differ between the two methods? Show all steps in the appropriate hypothesis test.
The question belongs to Chemistry and it discusses about calculating the difference between two measurements of salt concentration in water in a hypothesis test.
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