The null hypothesis is H 0 : 1 = 2 and the alternative hypothesis is

The null hypothesis is H₀: μ₁ = μ₂ and the alternative hypothesis is as specified. We have provided data from a simple random paired sample from the two populations under consideration. In each case, use the paired t-test to perform the required hypothesis test at the 10% significance level.

H_a: μ_{1 ≠} μ₂

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Pair 12345678 Observation from Population 1 Population 2 D83B122H 10 17 11 12 7 11 16 15 9 12 7