1. Eight measurements were made on the inside diameter of forged piston rings used in an automobile engine. The data (in mm) are the following: 74.001 74.003 74.015 74.000 74.005 74.002 74.005 74.004 Calculate the sample mean and sample standard deviation, construct a dot diagram.

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A:

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A: Given Information: Sample size n=1032Sample proportion pˆ=73%=0.73Margin of error E=3.9%=0.039

Q: Number 3

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