A tire manufacturer wants to determine the inner diameter of a certain grade of tire. Ideally, the
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572,572,573,568,569,575,565,570.
(a) Find the sample mean and median.
(b) Find the sample variance, standard deviation, and range.
(c) Using the calculated statistics in parts (a) and (b), can you comment on the quality of the tires?
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780131877115
8th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying Ye
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