Assume the following for a paired-samples t test: N = 19, M_difference = 13.19, s = 22.3.What is the 95 percent confidence interval for a two-tailed test? A) [11.09, 15.29] B) [8.07, 18.31] C) [2.44, 23.94] D) [-10.76, 10.76]

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The confidence interval is calculated using the formula: M_difference ± (t * (s/√N)). With N=19, the degrees of freedom is 18. Using a t-table, the critical t-value for 95% confidence is approximately 2.101. The interval is 13.19 ± (2.101 * (22.3/√19)), which results in [2.44, 23.94].

Assume the Following for a Paired-Samples T Test: N =