Given M 1 = 88, M 2 = 83, t cv = 2.042, t = 2.040, and a two-tailed test with = .05, (a)

Given M₁ = 88, M₂ = 83, t_cv = 2.042, t = 2.040, and a two-tailed test with α = .05,

(a) Decide whether the null hypothesis was rejected or not,

(b) Tell whether the difference between sample means is a statistically significant one or not, and

(c) Make a statement about the direction of the difference between the population means.