Copper Pipes Narrative
A manufacturer of copper pipes must produce pipes with a diameter of precisely 5 cm. The firm's quality inspector wants to test the hypothesis that pipes of the proper size are being produced. Accordingly, a simple random sample of 100 pipes is taken from the production process. The sample mean diameter turns out to be 4.98 cm and the sample standard deviation 0.2 cm. Using a significance level of = 0.05, test the appropriate hypotheses.
-Refer to Copper Pipes Narrative. Calculate the value of the test statistic.

Question

Copper Pipes Narrative
A manufacturer of copper pipes must produce pipes with a diameter of precisely 5 cm. The firm's quality inspector wants to test the hypothesis that pipes of the proper size are being produced. Accordingly, a simple random sample of 100 pipes is taken from the production process. The sample mean diameter turns out to be 4.98 cm and the sample standard deviation 0.2 cm. Using a significance level of  = 0.05, test the appropriate hypotheses.
-Refer to Copper Pipes Narrative. Calculate the value of the test statistic.

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The Answer of Copper Pipes Narrative
A manufacturer of copper pipes must produce pipes with a diameter of precisely 5 cm. The firm's quality inspector wants to test the hypothesis that pipes of the proper size are being produced. Accordingly, a simple random sample of 100 pipes is taken from the production process. The sample mean diameter turns out to be 4.98 cm and the sample standard deviation 0.2 cm. Using a significance level of  = 0.05, test the appropriate hypotheses.
-Refer to Copper Pipes Narrative. Calculate the value of the test statistic.

Copper Pipes Narrative a Manufacturer of Copper Pipes Must Produce Pipes with a Pipes