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Question: a find the critical values tt0 to test the claim...

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11) (a) Find the critical values, to, to test the claim that H2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that o 2 2 Use a 0.05. n2 30 X2 27 1 29 S1 1.5 S2 1.9 A) 1.711 B) 12.492 C) t 2.064 D) 12.797 (b) Find the critical x2 value to test the claim o2 1.9 if n 18 and a 0.01.
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