Which of the following indicate an out-of-control condition?I. A trend of 9 points in an upward directionII. 10 consecutive points above or below the centreIII. 2 of 3 consecutive points outside the two sigma warning limits

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Which of the following indicate an out-of-control condition?<br>I. A trend of 9 points in an upward direction<br>II. 10 consecutive points above or below the centre<br>III. 2 of 3 consecutive points outside the two sigma warning limits