The Baltimore Steel and Pipe Company recently developed a new pipe product for a customer. According to

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The Baltimore Steel and Pipe Company recently developed a new pipe product for a customer. According to specifications, the pipe is supposed to have an average outside diameter of 2.00 inches with a standard deviation equal to 0.10 inch, and the distribution of outside diameters is to be normally distributed. Before going into full-scale production, the company selected a random sample of 30 sections of pipe from the initial test run. The following data were recorded:
The Baltimore Steel and Pipe Company recently developed a new

a. Using a significance level of 0.01, perform the appropriate test.
b. Based on these data, should the company conclude that it is meeting the product specifications? Explain your reasoning.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry

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