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A machine produces metal rods used in automobile suspension system. A random sample of 16 rods...

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Statistics

A machine produces metal rods used in automobile suspensionsystem. A random sample of 16 rods is selected, and the diametermeasured. The resulting data in millimeters are shown here: 8.238.58 8.42 8.18 8.86 8.25 8.69 8.27 8.19 8.96 8.33 8.34 8.78 8.328.68 8.41 Calculate a 90% confidence interval on the diameter mean.With 90% confidence, what is the right-value of the confidenceinterval on the diameter mean?

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The sample is823 858 842 818 886 825 869    See Answer
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