Questions

Look at table 2 above which is data analysis of the process capability of wheat flour products size 1000 grams.

a. Can the process be categorized as ideal?

b. What is the explanation regarding the CpK value? 

Look at table 3 above which is the analysis data for the processing capability of 500 gram flour products.

a. How is your analysis related to the average weight of the product?

b. Is the performance of the machine for packaging 500 grams better than that for 1,000 grams? Give an explanation.

c. Is the 500 gram product size process ideal? Give an explanation.

d. What is the explanation regarding the CpK value?

(Explain in detail and along with the formula.)

Table 1. Standards used in statistical analysis of process capability of powder packaging machines Internal Standards External Standards Packaging 1000 g 1023 1012 1000 Upper specification limit Lower specification limit USLa Target LSL Item Total Data Subgroup size Mean (g) Standard deviation (g) Cp Cpk Table 2. Detailed analysis of the process capability of 1000 g wheat flour products Internal Standards External Standards 1250 1250 1 1 Subgroup size Mean (g) Standard deviation (g) Packaging 500 g 520 510 500 Cp Cpk 1012,7 7,43 0,52 0,47 Packaging 1000 g 1030 513,92 4,28 1,12 0,68 1000 970 Table 3. Detailed analysis of the process capability of 500 g wheat flour products Data Type Internal Standards External Standards Total Data 1250 1250 1 1012,7 7,43 1,36 0,78 Packaging 500 g 530 500 470 513,92 4,28 3,35 1,79