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Category > Statistics Posted 23 May 2017 My Price 6.00

Tennis balls in control

Tennis balls in control? When it is operating correctly, a machine for manufacturing tennis balls produces balls with a mean weight of 57.6 grams. The last eight balls manufactured had weights

a. Using a calculator or software, find the test statistic and P-value for a test of whether the process is in control against the alternative that the true mean of the process now differs from 57.6.

b. For a significance level of 0.05, explain what you would conclude. Express your conclusion so it would be understood by someone who never studied statistics.

c. If your decision in part b is in error, what type of error have you made?

 

Answers

Alpha Geek
(8)
Status NEW Posted 23 May 2017 05:05 PM My Price 6.00

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