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Consider the following hypothesis test.
H0: μ1 − μ2 = 0
Ha: μ1 − μ2 ≠ 0
The following results are for two independent samples taken from the two populations.
Sample 1 | Sample 2 |
---|---|
n1 = 70 |
n2 = 60 |
x1 = 102 |
x2 = 104 |
σ1 = 8.6 |
σ2 = 7.9 |
(a) What is the value of the test statistic?
(b) What is the p-value?
(c) With α = 0.05, what is your hypothesis testing conclusion?
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