You conduct a study of employee stress levels within your organization, finding these scores: 3.16, 2.12,...

You conduct a study of employee stress levels within your organization, finding these scores: 3.16, 2.12, 5.12, 3.21, 1.11, 4.32, 4.87, 3.79. The test manual you received when ordering the stress survey says that, on average, scores on this test vary by 1.25. Identify the appropriate confidence interval for the mean.

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which gives us the lower 99% as well as upper 99% confidence interval of values (2.442696458, 4.482303542) which does not contain 0 in the interval. Hence we can conclude that the Null hypothesis is rejected and the confidence interval at 99% confidence is given above.

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milcah answered 8 months ago

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