since test statistic is in between the critical

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Unformatted text preview: Χ ,/ 11,143 , Χ , / 0,484. , Since test statistic is in between the critical bounds, we do not reject the assumption. Hence, we 1 is a valid assumption. conclude that However, the question asks from us to reach a conclusion about the truth of the assumption using a confidence interval that has same value. The confidence interval actually does the same thing as we did above, but it gives the bounds for σ instead of test statistic. Hence, we do not compare the test statistic with the critical Χ valu...
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