Hotels.com asks users to rate hotels that they have visited on a scale from 0 (worst) to 5 (best). Ninety-nine guests gave a hotel at the St. Louis Convention Center a 4.5 out of 5 rating.
Answer to relevant QuestionsA company packaging snack foods maintains quality control by randomly selecting 10 cases from each day’s production. Each case contains 50 bags. An inspector selects and weighs two bags from each case. Four new sampling strategies have been proposed to help the bank in Exercise 27 determine whether customers favor opening on Saturdays versus keeping branches open longer during the week. For each, indicate what kind of ...Which of the following X-bar charts show that a process went out of control? The Web site of a photo processor allows customers to send digital files of pictures to be printed on high-quality paper with durable inks. When the inks used by the processor start to run out, the color mix in the pictures ...Which, if any, of these combinations of an X-bar chart and an S-chart suggest a problem? If there’s a problem, did you find it in the X-bar chart, the S-chart, or both?
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