The wall thickness of 20 glass 2-liter bottles was measured

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Reference no: EM13633247

The wall thickness of 20 glass 2-liter bottles was measured by a quality control engineer. The sample mean was Xbar=4.05 millimeters, and the sample standard deviation S=0.08 millimeters. Computer a 95% prediction interval on the wall thickness of the next bottle tested.

Reference no: EM13633247

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