The effectiveness of a new headache medicine is tested by measuring the amount o

Question

The effectiveness of a new headache medicine is tested by measuring the amount of time before the headache is cured for patients who use the medicine and another group of patients who use a placebo drug. The effectiveness of a headache medicine is tested by measuring the intensity of a headache in patients before and after drug treatment. The data consist of after intensities for each patient. Two different machines in our facility are used to fill 50-pound bags of dog food. The following information for these machines is given the table below: If you conducted a text to determine whether the average amount dispensed by machine A is significantly more than the average amount dispensed by Machine B, the computed test statistic would be If you conducted a test at the 0.01 significance level determine whether the average amount dispensed by machine A is significantly more than the average amount dispensed by Machine B, the correct decision is So based on the data and your analysis at a 0.01 significance level of these two machines

Explanation / Answer

54. C
56. D

the rest you picked is correct.

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