Question: Assume we know the following for a two-tailed, singlesample t test: l 7, N 41, M 8.5, s 2.1. a. Calculate the t statistic. b.

Assume we know the following for a two-tailed, singlesample t test: l 7, N 41, M 8.5, s 2.1.

a. Calculate the t statistic.

b. Calculate a 99% confidence interval.

c. Calculate effect size using Cohen’s d.

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