1. Xbarbar =55.12
Rbar = 16.72
2. UCLxbar = Xbarbar + A2Rbar = 55.12 +0.577 x16.72 =64.76
LCLxbar = Xbarbar - A2Rbar = 55.12 - 0.577 x16.72 = 45.47
3. UCLR = D4 x Rbar = 2.115 x 16.72 =35.36
LCLR =D3 x Rbar =0
For sample 26 to 30
Hour / sample | 1 | 2 | 3 | 4 | 5 | Xbar | R |
26 | 54 | 56 | 45 | 61 | 66 | 56.4 | 21 |
27 | 51 | 58 | 53 | 52 | 70 | 56.8 | 19 |
28 | 68 | 54 | 56 | 51 | 58 | 57.4 | 17 |
29 | 62 | 76 | 51 | 58 | 66 | 62.6 | 25 |
30 | 49 | 44 | 50 | 58 | 56 | 51.4 | 14 |
Based on the R chart the process is in control
Based on the Xbar chart, the process is under control, as all Xbar values are within range.
Quiz: QuizO2 Time Remaining: 00:35:45 Submit Qubz This Question: 9 pts 5 of 16 (13 complete)...
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