Claim: d < 0; = 0.05. Sample statistics: d = 1.5, s d = 3.2, n = 14 Test the claim about the

Claim: μ_d < 0; α = 0.05. Sample statistics: d̅ = 1.5, s_d = 3.2, n = 14

Test the claim about the mean of the differences for a population of paired data at the level of significance α. Assume the samples are random and dependent, and the populations are normally distributed.