This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

It's marginally more efficient: While the difference is negligible, the double-unary operator can be more efficient in ...

Are you rich? There's an easy way to gauge how you're doing financially: Calculate your net worth, then compare it with the average net worth by age. That can help you benchmark how you stack up ...

New state data out Thursday offer a glimpse of how well San Diego County schools are performing, and improving, on issues ranging from absenteeism to college readiness to serving English language ...