Question

A vendor of milk products produces and sells low-fat dry milk to a company that uses it to produce baby formula. In order to determine the fat content of the milk, both the company and the vendor take an observation from each lot and test it for fat content in percent. Ten sets of paired test results are as follows Lot Number Company Test Results (X) 0.50 0.58 0.90 1.17 1.14 1.25 0.75 1.22 0.74 0.80 Vendor Test Results (Y) 0.79 0.71 0.82 0.82 0.73 0.77 0.72 0.79 0.72 0.81 4 6 10 Test Ho: 4x-ly against Ha: Ax > fly Use the sign test at the 0.05 level of significance Use the Wilcoxen signed-rank test for matched pairs at the 0.05 level of significance a. b.

Answer 1

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