The endocrine component of the pancreas consists of islet cells (islets of Langerhans) that create and release important hormones directly into the bloodstream. Two of the main pancreatic hormones are insulin, which acts to lower blood sugar, and glucagon, which acts to raise blood sugar.
Variability is a measure of the spread of a data set. Learn more about the different measures of variability including the range, variance, and standard deviation, and how they are used in the field of Psychology.
Measures of variability indicate the degree to which the scores in a distribution are spread out.Larger numbers indicate greater variability of scores. Sometimes the word dispersion is substituted for variability, and you will find that term used in some statistics texts.easures of variability indicate the degree to which the scores in a distribution are spread out.