Figure 4.

Average CT value versus standard deviation for the reference RNA sample. Plotted here is the average CT value for each gene versus the standard deviation (SD) for each gene from a total of 11 assay runs. The "△" symbols represent genes where a single run had an empty assay well and was assigned a value of zero. The "□" symbol represents a gene where one out of the 11 runs resulted in a spurious "failed" well and was assigned a CT value of 40. These data show great consistency over the study.

Clark-Langone et al. BMC Genomics 2007 8:279   doi:10.1186/1471-2164-8-279
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