In statistics and probability theory, the standard deviation (SD) (represented by the Greek letter sigma, σ) measures the amount of variation or dispersion from the ...

Red blood celldistributionwidth (RDW or RCDW) is a measure of the variation of red blood cell (RBC) volume that is reported as part of a standard complete blood count.

Apr 16, 2012 · Red cell distributionwidth (RDW) is a red blood cell parameter that measures variability of red cell volume/size (anisocytosis). Depending on the types of ...

Red cell distributionwidth determination Definition (NCI) An index of the variation in the size of the red cells and can be used to detect subtle degress of ...

There appear to be two different definitions of the standard error. The standard error of a sample of sample size n is the sample's standarddeviation divided by sqrt(n).

Hello! I would like to know if my elevated RBC count is cause for concern or simply a result from my low MVC and MCH, probably due to having Thalassemia trait?