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
Read more about test statistic at:
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OPTION D is the correct answer
Started with: $60
left with: $10
items bought: 20
60 - 10 = 50 < amount spent
50/20 = amount spent/items bought
= $ 2.50 < each chocolate
you can check this by multiplying the items bought and the amount each item cost to get how much you spent
20 × 2.5 = 50
Stephanie started off with 60 dollars and ended with 10 dollars
60 - 50 = 10
hope this helps :)
Angles are complementary when they add up to 90 degrees. For example 60 and 30, or 45 and 45.
Angles are supplementary when they add up to 180 degrees. For example 90 and 90, or 100 and 80.
Hope that helps
Answer:
D. Section A; students in this section scored between 1 and 10
Step-by-step explanation:
This answer is correct because the graph shows everything that was explained in the answer. Hope that helps!!
