Refer to Example 4.24. Recall that the thickness of a steel sheet follows a uniform distribution with

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Refer to Example 4.24. Recall that the thickness of a steel sheet follows a uniform distribution with values between 150 and 200 millimeters. Suppose we perform the following experiment over and over again: Randomly sample 11 steel sheets from the production line and record the thickness, x, of each. Calculate the two sample statisticsEx 11 x = Sample mean m = Median = Sixth sample measurement when the 11 thicknesses are arranged in ascending

Obtain approximations to the sampling distributions of x̄ and m.


Example 4.24

Suppose the research department of a steel manufacturer believes that one of the company’s rolling machines is producing sheets of steel of varying thickness. The thickness is a uniform random variable with values between 150 and 200 millimeters. Any sheets less than 160 millimeters must be scrapped because they are unacceptable to buyers.

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Statistics For Business And Economics

ISBN: 9781292227085

13th Global Edition

Authors: Terry Sincich James Mcclave, P. George Benson

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