Question: Observe the R chart below. What do you conclude? Choose the correct answers from the drop-down boxes. Is the process in or out of control?

Observe the R chart below. What do you conclude? Choose the correct answers from the drop-down boxes.

Is the process in or out of control?

The out of control condition is? two consecutive points close to the control limits/eight consecutive points near the mean/a trend of eight consecutive points/NA -it is in control/eight consecutive points above or below the mean/a sample outside of control limits?

This indicates the the mean/variance/NA has Increased/decreased/NA.

Observe the R chart below. What do you conclude?

170 160 150 140 130 V 120 110 100 90 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 40 41 42 43 44 45 46 47 48

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