Find the critical value, t 0, to test the claim that ? 1 ? ? 2. Two samples are randomly selected and come from populations that are normal. The sample statistics are given below. Assume that ? .
n 1 = 11 n 2 = 18
1 = 3.2 2 = 3.6
s 1 = 0.76 s 2 = 0.51
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±3.169 |
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±2.764 |
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±2.228 |
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±0.684 |