To calculate the standard deviation of those numbers: 1  1. 2  2. Then for each number: subtract the Mean and square the result. 3  3. Then work out the mean of those squared differences. 4  4. Take the square root of that and we are done!o calculate the standard deviation of those numbers: 1  1. 2  Work out the Mean (the simple average of the numbers). 3  2. Then for each number: subtract the Mean and square the result.
FBI-Law Enforcement Executive Development Association is a private 501 (c)(3) nonprofit organization and is not a part of the Federal Bureau of Investigation or acting on behalf of the FBI.
Home Mortgage Disclosure Act. The Home Mortgage Disclosure Act (or HMDA, pronounced HUM-duh) is a United States federal law that requires certain financial institutions to provide mortgage data to the public. Congress enacted HMDA in 1975.