Answer Happy

UCLx =
LCLx =
b. If three standard deviations are used in the chart, what are the control limits?
UCLx =
LCLx =
Choudhury's bowling ball factory in ingin makes bowling balls of adult sira and weight only. The standard deviation in the weight of a bowling ball produced at the factory is k ounds, of 9 of the bowling balls produced that day has been assessed as follow Day 1 2 3 4 S € Average ( 16.3 16.9 156 16.0 167 161 Day 7 . . 10 11 12 Average (b) Average (1 Day 15.6 13 15.6 16.7 14 15.6 16.7 18 15.6 16.1 16 15.9 16.6 17 15.8 16.0 18 16.7 Day 19 20 21 22 21 24 Average b.) 15.7 161 168 15.7 154 16.0 statish a conti chart for monturing the average weights of the bowling bale in which the upper and lower control imits are each two standerd deviations from the mean What Upper Contral Limit (UCL)-round your response to two decinal plac to be 0.18 pounds. Each day for 24 days, the average wight s of the control lim