A clinical lab wants to evaluate the resistance power of its new medicine. It has provided...

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A clinical lab wants to evaluate the resistance power of itsnew medicine. It has provided the new medicine to a random sampleof 300 rats and retained the old drug for the remaining (200 rats).Three months after the dosage of the new drug, the group with thenew medicine has a resistance of 40.2 with a s.d of 6.5 while thegroup with the old drug had an average of 35 with a s.d of4.5.
NOTE: Follow all the steps inhypothesis testing. You can use Graphpad for this one.
What is your Null and Alternate Hypothesis. (0.5 point)
Did the new medicine result in significantly higher resistanceof the dogs? State the value of the test-statistic, the p-value andthe 95% confidence interval. (1 point)
(c)What do you mean by saying thatthis is the confidence interval in this case? (0.5 point)

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4.0 Ratings (747 Votes)

aNull Hypothesis H0 Average resistance power of new drug issame as old drug Mu1 Mu2 Alternate Hypothesis H1 Average resistance power of new drugis NOT same as old drug Mu1 Mu2 b We See Answer

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