Suppose the side effect of a drug in patients is known to be .75 with and the standard deviation is to be .9. The drug company is trying to reduce the side effect factor by adding an extra chemical on the drug. It is also believed that the standard deviation of side effect of the new drug remains unchanged. 25 patients were given the new drug and the mean side effect factor is found to be .73. Then, test the appropriate null hypothesis and also find the Type I error and Type II error.

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anonymous · Answer

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