Advanced Placement (AP), 11.03.2021 23:10 xmanavongrove55

A new auciety medication has been manufactured and a study is being conducted to determine whether its effectiveness depends on dose. When 40 milligrams of the medication was administered to a simple random sample (SRS) of 60 patients. 21 of them
demonstrated lower stress levels. When 75 milligrams of the medication was administrated to another SRS of 85 patients. 34 of them
demonstrated lower stress levels. Which of the following test statists is an appropriate hypothesis test?

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