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9.42 Assume we know the following for a paired-sample t test: N= 32, M difference = 1.75, s= 4.0 a. Calculate the t statistic. b.

9.42 Assume we know the following for a paired-sample t test: N= 32, M_difference= 1.75, s= 4.0

a. Calculate the t statistic.

b. Calculate a 95% confidence interval for a two-tailed test.

c. Calculate the effect size using Cohen's d.

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