In: Statistics and Probability
Given the sample results:
Pop 1 Pop 2
x ̄1 = 54 x ̄2 = 50
s1 = 10.5 s2 = 11.0
n1 = 11 n2 = 16
(a) Find a 98% CI for μ1 − μ2.
(b) Perform the Hypothesis Test (α = 0.01) : H0 : μ1 = μ2; Ha : μ1
> μ2
(c) Explain how you could use part (a) to answer part (b).