Module IX Quality Control Review Questions Use Table 15.2 and Sample and Solution Problem 15-2 should you need assistance. Please analyze your results for each problem. 5-8. Shader Storage Technologies produces refrigeration units for food producers and retail food establishments. The overall average temperature that these units maintain is 46 Fahrenheit. The average range is 2 Fahrenheit. Samples of six are taken to monitor the process. Determine the upper and lower control chart limits for averages and ranges for these refrigeration units. 15-9 When set at the standard position, Autopitch can throw baseballs toward a batter at an average speed of 60 mph. Autopitch devices are made for both major- and minor-league teams to help them improve their batting averages. Autopitch executives take samples of 10 Autopitch devices at a time to mon these devices and to maintain the highest quality. The average range is 3 mph. Using control-chart techniques, determine control-chart limits for averages and ranges for Autopitch. 15-10 Zipper Products, Inc., produces granola cereal, granola bars, and other natural food products. Its natural granola cereal is sampled to ensure proper weight. Each sample contains eight boxes of cereal. The overall average for the samples is 17 ounces. The range is only 0.5 ounce. Determine the upper and lower control-chart limits for averages for the boxes of cereal