Suppose you want to test the claim that u, > Two samples are randomly selected from normal populations. The sample statistics are given below. Assume that o +o, At a level of significance of a = 0.01, when should you reject Ho? n, = 18, n, = 13. x, = 655, x, = 640, s, = 40, s, = 25 O A. Reject H, if the standardized test statistic is greater than 3.055. O B. Reject Ho if the standardized test statistic is greater than 2.179. O C. Reject H if the standardized test statistic is greater than 2 681. O D. Reject H, if the standardized test statistic is greater than 1.699.

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