Question

A drug study compared the amounts of nitrate absorbed into the skin for brand name and generic formulations of the drug. The two drugs were both applied to the arms of 14 participants, and the amounts absorbed, in mg/cm³, were measured. Does the mean amount absorbed differ between the generic and brand name drug? Use formal hypothesis testing.

Participant	Brand name	Generic
1	2.23	1.42
2	1.68	1.95
3	1.96	2.58
4	2.81	2.25
5	1.14	1.21
6	3.20	3.01
7	2.33	2.76
8	4.06	3.65
9	2.92	2.89
10	2.92	2.85
11	2.83	2.44
12	3.45	3.11
13	2.72	2.64
14	3.74	2.82

Answer 1

Answer: