For the questions related to control charts, you may need to use the following table (and you can find the same table in

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For The Questions Related To Control Charts You May Need To Use The Following Table And You Can Find The Same Table In 1 (39.31 KiB) Viewed 41 times

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For the questions related to control charts, you may need to use the following table (and you can find the same table in the lecture slides): Sample Factors for Calculating 3-Sigma Limits Factors for UCL/LCL of X-bar Factors for LCL of R charts Charts 1.880 0 Factors for UCL of R charts Size (n) 2 3.267 3 0 2.575 4 1.023 0.729 0.577 0 2.282 5 0 2.115 6 0.483 0 2.004 0.419 0.076 1.924 00 0.136 1.864 0.373 0.337 9 0.184 1.816 1.777 10 0.308 0.223
QUESTION 16 RJ produces chocolate balls. There are five samples, and each sample contains 4 packs of chocolate balls that were randomly selected and weighed. The following is the sample data: Weight (lb) Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 Pack 1 0.94 1 1.05 0.981 0.93 Pack 2 1.15 0.93 1.13 0.93 0.8 Pack 3 0.88 1.07 0.9 1.12 Pack 4 0.96 1.06 0.97 0.89 1.01 Suppose the standard deviation is unknown, and the X-bar chart is based on 3-sigma limits. Based on the sample data, what is LCL? 0.816 0.887 0.920 0.844
QUESTION 7 Peter wants to make a demand forecast based on the exponential smoothing method. To choose a good smoothing factor a, he checks the demand in the previous three days (Day 1 to Day 3): Day Demand 98 103 101 The forecasted demand on Day 1 is 100. Which of the following a leads to the smallest mean absolute error to forecast the demand from Day 1 to Day 3? q=0.6 Ο α = 0.8 Oa=0.2 a=0.4