A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only....
A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be
0.39 pounds. Each day for 24 days, the average weight, in pounds, of 9 of the bowling balls produced that day has been assessed as follows:
|
Day |
Average (lb.) |
Day |
Average (lb.) |
Day |
Average (lb.) |
Day |
Average (lb.) |
|
1 |
9.9 |
7 |
9.9 |
13 |
9.9 |
19 |
10.1 |
|
2 |
9.9 |
8 |
10.0 |
14 |
10.0 |
20 |
10.1 |
|
3 |
10.1 |
9 |
10.1 |
15 |
10.1 |
21 |
9.9 |
|
4 |
9.9 |
10 |
9.9 |
16 |
9.9 |
22 |
10.0 |
|
5 |
10.1 |
11 |
9.9 |
17 |
10.1 |
23 |
10.1 |
|
6 |
9.9 |
12 |
10.0 |
18 |
10.1 |
24 |
10.1 |
a) Establish a control chart for monitoring the average weights of the bowling balls in which the upper and lower control limits are each two standard deviations from the mean. What are the values of the control limits?
Upper Control Limit (UCLx)=________ Lb. (round your response to two decimal places).
Lower Control Limit (LCLx)=________ Lb. (round your response to two decimal places).
b) If three standard deviations are used in the chart, what are the values of the control limits?
Upper Control Limit (UCLx)=_________lb. (round your response to two decimal places).
Lower Control Limit (LCLx)=_________lb. (round your response to two decimal places).
How do these values change? chose one option
a) The control limits are tighter for the 2-sigma x -chart than for the 3-sigma x-chart.
b) The control limits for the 2-sigma x -chart and for the 3-sigma x-chart are the same.
c) The control limits are tighter for the 3-sigma x-chart than for the 2-sigma x-chart.
Homework Answers
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A. Choudhury's bowling ball factory in Illinois makes bowling
balls of adult size and weight only....
.S6.8 A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weigh...
.S6.8 A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be 0.12 pounds. Each day for 24 days, the average weight, in pounds, of nine of the bowling balls produced that day has been assessed as follows: AVERAGE (LB) DAY AVERAGE (LB) DAY 16.3 13 16.3 15.9 15.9 2 16.3 15 15.8 3 16.2 16 15.5...
1) 2) A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and...
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A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be 0.18 pounds. Each day for 24 days, the average weight, in pounds, of 9 of the bowling balls produced that day has been assessed as follows Average (Ib.) Average (lbAverage (lb.)Average (lb.) Day 13 14 15 16 17 18 Day 19 20 21 Day...
Upper Control Limit= Lower Control Limit = If three standard deviations are used in the chart,...
Upper Control Limit=
Lower Control Limit =
If three standard deviations are used in the chart, what are
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Refer to Table 56.1 - Factors for Computing Control Chart Limits (sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filling machine at Panos Kouvels Lifelong Lawn Lid. The results were: Overal mean = 54.75 lb.: Average range R 164 b. a) For the given sample size, the control limits for 3-sigma x chart are Upper Control Limit (UCL) - D. (round your response to three decimal places). Lower Control Limit (LCL)-1. (round your response...
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Refer to Table S61 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Ross Hopkins is attempting to monitor a filling process that has an overall average of 705 mL. The average range R is 8 ml. For a sample size of 10, the control limits for 3-sigma x chart are: Upper Control Limit (UCL.2)= ml (round your response to three decimal places). Lower Control...
Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem....
Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filing machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean = 54.75 16.; Average range R = 1.84 6. a) For the given sample size, the control limits for 3-sigma x chart are: Upper Control Limit (UCL) - b. (round your response to three decimal places). Lower Control Limit (LL)-11. round...
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.S6.8 A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be 0.12 pounds. Each day for 24 days, the average weight, in pounds, of nine of the bowling balls produced that day has been assessed as follows: AVERAGE (LB) DAY AVERAGE (LB) DAY 16.3 13 16.3 15.9 15.9 2 16.3 15 15.8 3 16.2 16 15.5...
1)
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A. Choudhury's bowling ball factory in Illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is known to be 0.18 pounds. Each day for 24 days, the average weight, in pounds, of 9 of the bowling balls produced that day has been assessed as follows Average (Ib.) Average (lbAverage (lb.)Average (lb.) Day 13 14 15 16 17 18 Day 19 20 21 Day...
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Upper Control Limit =
Lower Control Limit=
A Choudhury's bowling ball factory in illinois makes bowling balls of adult size and weight only. The standard deviation in the weight of a bowling ball produced at the factory is kno average weight, in pounds, of 9 of the bowling balls produced that day has been assessed as...
Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filling machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean = 60.75 lb.: Average range R = 1.78 lb. a) For the given sample size, the controllimits for 3-sigma x chart are: Upper Control Limit (UCL)- b. (round your response to three decimal places). Lower Control Limit (LCL:) - (round your...
Refer to Table 56.1 - Factors for Computing Control Chart Limits (sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filling machine at Panos Kouvels Lifelong Lawn Lid. The results were: Overal mean = 54.75 lb.: Average range R 164 b. a) For the given sample size, the control limits for 3-sigma x chart are Upper Control Limit (UCL) - D. (round your response to three decimal places). Lower Control Limit (LCL)-1. (round your response...
that was the complete data the second picture is the control
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Refer to Table S61 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Ross Hopkins is attempting to monitor a filling process that has an overall average of 705 mL. The average range R is 8 ml. For a sample size of 10, the control limits for 3-sigma x chart are: Upper Control Limit (UCL.2)= ml (round your response to three decimal places). Lower Control...
Refer to Table 56.1 - Factors for Computing Control Chart Limits (3 sigma) for this problem. Thirty-five samples of size 7 each were taken from a fertilizer-bag-filing machine at Panos Kouvelis Lifelong Lawn Ltd. The results were: Overall mean = 54.75 16.; Average range R = 1.84 6. a) For the given sample size, the control limits for 3-sigma x chart are: Upper Control Limit (UCL) - b. (round your response to three decimal places). Lower Control Limit (LL)-11. round...
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