Question: Ok, here is a twice repost question; I need help with the second section; the first and; last answers are correct. Please help me. Thank
Ok, here is a twice repost question; I need help with the second section; the first and; last answers are correct. Please help me. Thank you.
Tri-State Bank is investigating the processing time for loan applications. Samples were taken for 25 random days from four branches. These data can be found in the table below.
| Day | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 |
| Branch 1 | 19 | 12 | 25 | 21 | 11 | 26 | 12 | 10 | 24 | 22 | 18 | 21 | 14 |
| Branch 2 | 11 | 15 | 23 | 19 | 19 | 14 | 19 | 28 | 14 | 9 | 10 | 23 | 13 |
| Branch 3 | 22 | 23 | 23 | 29 | 25 | 25 | 25 | 42 | 29 | 21 | 29 | 31 | 19 |
| Branch 4 | 21 | 15 | 8 | 11 | 14 | 9 | 11 | 23 | 21 | 9 | 19 | 21 | 16 |
| Day | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | |
| Branch 1 | 7 | 15 | 25 | 23 | 5 | 11 | 32 | 25 | 9 | 21 | 19 | 7 | |
| Branch 2 | 21 | 12 | 11 | 14 | 21 | 14 | 21 | 17 | 13 | 10 | 26 | 12 | |
| Branch 3 | 22 | 27 | 16 | 17 | 29 | 22 | 35 | 17 | 30 | 15 | 32 | 44 | |
| Branch 4 | 14 | 21 | 24 | 23 | 5 | 8 | 15 | 23 | 15 | 20 | 23 | 5 |
Compute the control limits for x- and R-charts. Use the control chart factors in Appendix B to answer the questions. Do not round intermediate calculations. If your answer is zero, enter "0". Round your answers to three decimal places.
For the x-chart:
LCLx:
UCLx:
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