The z statistic for a one-sided test is z = 2.433. This testis (a.) not signific

Question

The z statistic for a one-sided test is z = 2.433. This testis (a.) not significant at either = 0.05 or =0.01 (b.) significant at = 0.05 but not at =0.01 (c.) significant at both = 0.05 and = 0.01 The z statistic for a one-sided test is z = 2.433. This testis (a.) not significant at either = 0.05 or =0.01 (b.) significant at = 0.05 but not at =0.01 (c.) significant at both = 0.05 and = 0.01

Explanation / Answer

For one-sided tests : At = 0.05 the test will be rejected if z >1.645 and at = 0.01 the test will be rejected if z> 2.326 Since z = 2.433, hence the test is significant at both = 0.05 and = 0.01. Answer is (c).

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