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Given the following hypotheses: H0: μ = 420 H1: μ ≠ 420 A random sample of...

Given the following hypotheses: H0: μ = 420 H1: μ ≠ 420 A random sample of 8 observations is selected from a normal population. The sample mean was 425 and the sample standard deviation 9. Using the 0.10 significance level: State the decision rule. (Negative amount should be indicated by a minus sign. Round your answers to 3 decimal places.) Compute the value of the test statistic. (Round your answer to 3 decimal places.) What is your decision regarding the null hypothesis? Do not reject or Reject

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