Which of the following explains the primary use of Levey-Jennings charts?
A) Determination of the best fit line through a large set of data points
B) Generation of a standard curve from which information about a sample, such as concentration, can be determined
C) Identification of outliers, trends, and shifts in data that may indicate a malfunction or other problem
D) Maintenance of laboratory equipment in compliance with the International Sensitivity Index (ISI)
C
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