We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › group analysis of a 10-shot group Group size, not mean radius, has been the dominant ...

Chris Gallant, CFA, is a senior manager of interest rate risk for ATB Financial with 10 years of experience in the financial markets. Vikki Velasquez is a researcher and writer who has managed, ...

While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...

A trimmed mean is much like a standard mean, which you can derive in Excel using the AVERAGE function. However, instead of using all of the data points to create the mean, a trimmed mean will leave ...

The mean is the most commonly used measure of average close. To calculate the mean, add the values together and divide the total by the number of values. If you place a set of numbers in order, the ...

Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...

Frequency tables can be used to help present sets of data. There are 4 children aged 10, which gives a total age of 40 in that category. There are 6 children aged 11, which gives a total age of 66 in ...

Mean radius is the average measurement from the true center of the group (white) to the center of each shot. More simply, it's the average "miss distance." Group size, not mean radius, has been the ...