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Is this test right left or two tailed?Determine critical values?Calculate test statistic and p value? Questions 25-30 A hospital spokesperson claims that the standard deviation

Is this test right left or two tailed?Determine critical values?Calculate test statistic and p value?

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Questions 25-30 A hospital spokesperson claims that the standard deviation of the waiting times experienced by patients in its minor emergency department is less than 0.5 minute. A random sample of 25 waiting times has a standard deviation of 0.4 minute. Use a 0.10 significance level to test the claim that the waiting time is less than 0.5 minute. Question 25

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