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Assume that the two samples are independent simple random samples selected from normally distributed populations. Also assume that the population standard deviations are not
Assume that the two samples are independent simple random samples selected from normally distributed populations. Also assume that the population standard deviations are not equal. (0,0). Use a 0.01 significance level to test the claim that the two population means are different. Placebo group: Paroxetine treatment group: n = 21, x 21.57, s= 3.87 n = 19, x 20.38 = 3.91 S=
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Answer I Given x 1 2157 s 1 387 n 1 21 x 2 2038 s 2 391 n 2 19 Ho M H2 H H H Test statistic t x xs...
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Elementary Statistics
Authors: Mario F. Triola
12th Edition
0321836960, 978-0321836960
