On a Levey-Jennings chart, the final single data point falls outside the +3 SD mark. According to Westgard Rule 13s, should the most recent run be accepted?
A) No, because any data point that does not exactly equal the mean value must be rejected.
B) No, because the data point falls outside the accepted range of ± 3s.
C) Yes, because runs are rejected only if six or more consecutive data points deviate by greater than +3 SD from the mean.
D) Yes, because values that fall beyond positive standard deviations from the mean are still within the acceptable range.
B
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