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In a study of the effect of a new drug on the alleviation of asthma symptoms, the σM for symptom relief in the patient group that received the new drug is 1.45, and the σM for symptom relief in the group that did not receive the new drug is 1.22. Calculate the σM1-M2.

May 31st, 2015

Let me try to work it out

May 31st, 2015

Thank you!


May 31st, 2015

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May 31st, 2015
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May 31st, 2015
Dec 9th, 2016
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