Question: 4) a prevention cost. Question 12 (1 point) Problem data: Athletic Spheroids, Inc. manufactures basketballs. Each day, they randomly select a sample of four balls

4) a prevention cost. Question 12 (1 point)
4) a prevention cost. Question 12 (1 point) Problem data: Athletic Spheroids, Inc. manufactures basketballs. Each day, they randomly select a sample of four balls and measure their circumferences (in inches). Use the data in these tables to construct X-bar and R charts. A2 D3 04 Day 1 2. 3 n 2 3 Observation 1 2 3 4 29.6 31.5 31.3 29.5 30.3 30.7 312 315 30.2 31.1 30.8 31.1 31.1 29.7 31.7 30.5 305 29.8 32 29.3 30.4 31.8 31.6 30.7 30.1 30.7 31.1 312 31.7 30.5 OOOO 4 0 4 5 6 1.88 1.023 0.729 0.577 0.483 0.419 0.373 0.337 0.308 3.267 2.575 2.282 2.115 2.004 1.924 1.864 1.816 1.777 + 5 6 7 8 . 7 8 0.076 0.136 + 30.1 . 9 0.184 0.223 10 What is the lower control limit of the X-bar chart? 1) 29.69 21 30.13 3) 29.29 4) 28.94 Question 13 (1 point) Problem data: UGA Dcor Inc. manufactures ceramic bulldogs to be placed on

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