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2. You are asked to determine the concentration of chloride in ppm in Yuppie Brand (YB) bottled water. Your coop supervisor asks you to use

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2. You are asked to determine the concentration of chloride in ppm in Yuppie Brand (YB) bottled water. Your coop supervisor asks you to use two different methods Method 1 and Method 2 and you obtain the following results: Method 1 Method 2 Mean Concentration of . 150. 190. Chloride, ppm Number of measurements 5 7 Standard Deviation, ppm 10. 30. Are the results obtained from Method 1 signicantly different from the results obtained using Method 2 at the 95% condence level? Show all work

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