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The Data Below Give the Weights in Ounces of Randomly-Selected

Question 1

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The data below give the weights in ounces of randomly-selected bars of bath soap produced by two different molding machines. The data below give the weights in ounces of randomly-selected bars of bath soap produced by two different molding machines. The question of interest is whether these two molding machines produce soap bars of differing average weight. Find a 95% confidence interval for the population difference assuming that the weights for the two machines are approximately normal. A) (-1.760, -0.091) B) (-1.200, -0.464) C) (-0.354, 0.173) D) (-1.280, -0.384) The question of interest is whether these two molding machines produce soap bars of differing average weight. Find a 95% confidence interval for the population difference assuming that the weights for the two machines are approximately normal.


A) (-1.760, -0.091)
B) (-1.200, -0.464)
C) (-0.354, 0.173)
D) (-1.280, -0.384)

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