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The variability of the time to serve in Domino's facility is of concem. A random sample of 20 customers shows a mean time to
The variability of the time to serve in Domino's facility is of concem. A random sample of 20 customers shows a mean time to be served X bar of 0.5 hours with a standard deviations of 0.1 hours. Can we conclude that the variance of time to serve is less is than 0.5? Use a level of significance of 0.05. [4]
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Answer We cannot conclude that the variance of time to serve is less than 05 Thenull hyp...
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Statistics The Art And Science Of Learning From Data
Authors: Alan Agresti, Christine A. Franklin
3rd Edition
9780321849281, 321755944, 321849280, 978-0321755940
