Angela is now going to evaluate a new salt process delivery system and wants to know if the upper and lower control limits at 3 standard deviations for the new system will meet the upper and lower controls specifications noted above. The population standard deviation is ? = .07. The data (in percent) from the initial trial samples are:

Sample 1: 1.98 2.11 2.15 2.06

Sample 2: 1.99 2.0 2.08 1.99

Sample 3: 2.20 2.10 2.20 2.05

Sample 4: 2.18 2.01 2.23 1.98

Sample 5: 2.01 2.08 2.14 2.16

Provide your findings to Angela. Please show all work.

a. What are the advantages and disadvantages of Frito-Lay drivers stocking their customers' shelves?

b. Why is quality a critical function at Frito-Lay?

Complete Question:

Frito•Lay's Quality•Controlled Potato Chips Frito-Lay, the multi-billion-dollar snack food giant, produces billions of pounds of odic( every year at its downs of US. and Canadian plants. From the fanning of potatoes—I brida, Moral Carolina, and Michigan—b factory and to retail stores, the ingredients and final product of Lay's chips, for example, are respected at least 11 Ines: h the field, before tnbadhg at the plant, after washing and peeling, at the sizing station, at he fryer, after seasoning, when bagged (for weight), at carton filling, h the warehouse, and as they are placed on the store shelf by Frib-Lay personnel. Similar inspections take place for ib other famous products, including Cheetos, Fritz, Ruffles, and Tostibs. In addition to these employee inspections, the firm uses proprietary vision systems to look for defective potato clips. Chips are pulled off the high-speed line and checked twice if he visits system senses them to be to brown. lire company follows the very strict standards of the American Institute of Baling (AIB), standards that are much tougher than those of the US. Food and Drug Administration. Two warnourted AIB site visits per year keep Frito-Lay's plants cn their toes. Scores, consistently in the "excellent' range, are posted, and every employee knows exactly how the plant is doing. There are two key metrics in Frito-Lay's continuous improvement quality program: (1) total customer complaints (measured on acomplabb per million bag basis) and (2) horror daily statistical process control scores (far oil, moisture, seasoning, and salt content, for chip thickness, for fryer temperature, and for weight). In the Florida plant, Angela McCormack, who holds engineering and MBA degrees, oversees a 16-member quality assurance staff. They watch all aspects of quality, including trailing employees on the factory floor, monitoring automated processing eq.ibment, and developing and updating statistical process control (SPC) charts. The upper and lower control limits for one checkpoint, salt content in Lay's chips, are 2.22% and 1.98%, respectively. To see exactly how these limits are created using SPC, watch the vkleco that accompanies this case. Angela is now gonged b evaluate a new salt process delivery system and wants to Prow if the per and bv.er control limits at 3 standard deviations for the new system will meet the upper and lower control specifications noted above. the data (in percents) from the initial trial samples ae:

Sample 1:1.98, 2.11, 2.15, 206

Sample 2: 1.99, 2.0, 208, 1.99

Sample 3: 2.20, 2.10. 220, 205

Sample 4: 2.18, 2.01, 223, 1.98

Sample 5: 2.01, 2.08, 2.14, 216

Provide the report to Angela  

Answer and explanation:

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