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 32 times

For The Questions Related To Control Charts You May Need To Use The Following Table And You Can Find The Same Table In 2 (38.72 KiB) Viewed 32 times

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
Bob is forecasting the demand, and he knows that demand has a trend. Therefore, he adopts the double exponential smoothing method with smoothing factors a=0.8 (for forecasting the demand) and B = 0.4 (for forecasting the trend). The forecasted demand today is 78, and the forecasted trend for today is 2 If the actual demand today is 73, what is the forecasted trend for tomorrow -0.8 -3.6 -2.7 -1.5 5 points Save Answer QUESTION 15 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) Pack 1 Pack 2 Pack 3 Pack 4 Sample 1 Sample 2 Sample 3 Sample 4 Sample 5 0.94 1 1.05 0.981 0.93 1.15 0.93 1.131 0.88 1 1.07 0.5 1.12 0.96 1.06 0.97 0.89 1.01 0.93 0.8 Suppose the standard deviation is 02, and the X-bar chart is based on 3-sigma limits (ie, z = 3). Based on the sample data, what is UCL? 1.174 1.23 1.108 1.285