Which Statement Listed Below Is a Reason to Reject an Analytical

Multiple Choice

Which statement listed below is a reason to reject an analytical run?

A) One control result exceeds above +1 standard deviation and the second control result exceeds -1 standard deviation from the mean.
B) Two consecutive control results exceed 2 standard deviations above or below the mean.
C) Four control results steadily increase in value but are less than ±1 standard deviation from the mean.
D) Three consecutive control results exceed plus or minus 1 standard deviation from the mean.