The sum of squares measures how widely a set of data points is spread ... of regression analysis to determine the variance from data points from the mean. If there is a low sum of squares, it ...

Calculate the expectation and variance of several random variables and develop ... and it’s applications such as characterizing the distribution of the mean of a large data set. This will set the ...

A categorical variable is defined as one that can assume only a limited number of values. For example, a person's sex is a categorical variable that can assume one of two values. Variables with levels ...