A new drug has just been manufactured, and is claimed to treat HIV/AIDS. A random
sample of n1 = 6 men with HIV/AIDS were used as treatment group and a second random
sample of n2 = 8 were used as placebo group. After three months, the following results
were obtained, as changes in the red blood cell.
Treatment Group: 30, 21, 28, 37, 29, 26
Placebo Group: 29, 33, 36, 52, 41, 38, 25, 37
Construct a 99 % confidence interval for the mean difference assuming equal standard deviation.
