Mathematics, 08.04.2020 00:01 stopithelpmeplease
A manufacturer of carpentry screws claims that its production machine is very accurate and that the standard deviation of the length of all screws produced is .08 mm or less. A sample of 30 screws showed a standard deviation of .10. The test statistic to test the manufacturer's claim is .
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A manufacturer of carpentry screws claims that its production machine is very accurate and that the...
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