Question 14 A machine fills milk into 1000ml packages. It is suspected that the machine is not working correctly and that the amount of milk filled differs from the set-point Ho = 1000. A sample of 167 packages filled by the machine is collected. The sample mean y, is equal to 1099 and the sample variance S is equal to 1194.75. We want to test the two-sided hypothesis that the amount filled corresponds on average to the set-point. Assume the sample is taken from N (µ, o²). What is the value of the test statistic? -41.244 O-76.345 O 37.013 O-77.548 O 20.845

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