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Calculate the t statistic for testing equality of means where X, = 8.2, X, = 11.3, s12 = 5.4, s22 = 5.2, n1= 6, n2

Calculate the t statistic for testing equality of means where X, = 8.2, X, = 11.3, s12 = 5.4, s22 = 5.2, n1= 6, n2 = 7. (Assume equal population variances) O -2.42 O -1.05 O -2.63 O -4.86

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