Average Calculator Guides
Step by step guides with worked examples for the Average Calculator.
Arithmetic Mean vs Median: Which Average Should You Use
The difference between the arithmetic mean and the median, when the mean is misleading, and how outliers like huge salaries or one bad score distort an average.
Read the guide →How to Calculate Your Average and GPA From Grades
How to calculate a grade point average and weighted average from your scores, how to convert percentages to GPA, and how to leave an assignment out correctly.
Read the guide →How to Calculate a Weighted Average
How to calculate a weighted average by hand, when to use one instead of a plain average, and worked examples for exam grades, salary and budget mixes.
Read the guide →How to Calculate the Average of a List of Numbers
How to calculate the average of a list of numbers by hand, with the formula, a worked example, and the common mistakes that produce the wrong answer.
Read the guide →Why Averages Can Lie: Outliers, Skew and Simpson's Paradox
Why an average can mislead you, how outliers and skewed data distort the mean, and what Simpson's paradox shows about averaging groups together.
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