The test statistics is used to determine if the anxiety medication can happen under a null hypothesis
The test statistics that is an appropriate hypothesis test is
<h3>How to determine the test statistic</h3>
<u>40 milligrams of medication</u>
Patients = 60
Lower stress level patients = 21
The mean of this medication is:
So, we have:
<u>75 milligrams of medication</u>
Patients = 85
Lower stress level patients = 34
The mean of this medication is:
So, we have:
The test statistic is then calculated as:
The equation becomes
Hence, the test statistics that is an appropriate hypothesis test is
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