Given M 1 = 98, M 2 = 103, t cv = 2.060, t = 2.060, and
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Given M1 = 98, M2 = 103, tcv = 2.060, t = 2.060, 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 sample means.
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