For questions 7-12, refer to the following information: Researchers conducted a study to evaluate which of two medications, Drug A or Drug B, is more effective in treating headaches. Each patient was administered Drug A for one headache and Drug B for a different headache. The amount of time to pain relief was recorded in the table below. The sample standard deviation of the differences between the relief time of Drug A and the relief time of Drug B is 2.1213. Using a 0.05 significance level, you need to test the claim that the relief time for Drug A is different than the relief time for drug B.
Drug A Relief Time
20
40
30
45
19
27
32
26
Drug B Relief Time
18
36
30
46
15
22
29
25
a. 𝜇#=0
b. 𝜇#≠0
c. 𝜇!−𝜇"=0
d. 𝜇!−𝜇"≠0
e. 𝑥̅ −𝑥̅ =0 !"
f. 𝑥̅ −𝑥̅ ≠0
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