Get fund performance data on John Hancock Variable Insurance Trust Science & Technology Trust Series I (JESTX) including growth, trailing returns, and quarterly and monthly returns. Welcome!
Coefficient of variation is a measure of the ratio of the standard deviation to the mean. In statistics it is abbreviated as CV. To calculate CV you take the standard deviation of the data and divide it by the mean of the data. Mean is another word for average. To calculate the average of a set of data, you add all the numbers and then divide by how many numbers you added.
The fraction of the variation that is explained determines the goodness of the regression and is called the coefficient of determination, R 2 : 14-18Washington University in St. Louis CSE567M Â©2008 Raj Jain Allocation of Variation (Cont) !