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 answer I got for the above data set is .310575 or 31.06%. When the standard deviation is greater than the mean, you have a very volatile stock. The coefficient of variation is the (standard deviation/average) times 100%.For the above problem, the coefficient of variation is 319%. PROBLEM 2-- Stock PQ.he answer I got for the above data set is .310575 or 31.06%. When the standard deviation is greater than the mean, you have a very volatile stock. The coefficient of variation is the (standard deviation/average) times 100%.