Calculate the standard error from the following descriptive statistics: S1 = 24, S2 = 21, n1 = 36, …

Calculate the standard error from the following descriptive statistics: S1 = 24, S2 = 21, n1 = 36, n2 = 49. Calculate the standard error from the following descriptive statistics: S1 = 15.40, S2 = 14.80, n1 = 20, n2 = 23. Calculate the standard error from the following descriptive statistics: S1 = 12, S2 = 10, n1 = 25, n2 = 25. Determine whether to reject or fail to reject the null hypothesis in the following situations: t(40) = 2.49, α = 0.01, one-tailed test to the right. Calculate the difference between X1 and X2: X1 = 64, X2 = 54, n1 = 14, n2 = 12, Sx1-X2 = 9.75, α = 0.05, two-tailed test. Calculate the 95

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