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 are descriptive statistics that can only be used to describe the data in a given data set or study. Points to Remember Range: the simplest measure of variability; smallest number subtracted from the largest number to calculate the range