(Choose 1 answer)
(See picture)
A. 1.63
B. 4.27
C. -1.63
D. None of the other choices is correct
E. -4.27
Find the test statistic, to, to test the claim that μ₁ = μ2. Two samples are randomly selected and come from populations that are normal with the same variance. The sample statistics are given below.
n_{1}=25 \overline{x}_{1}=20 s_{1}=1.5 n_{2}=30 , \overline{x}_{2}=18 s_{2}=1.9
(10)
