The first few dictionaries I looked at online said, in the first or second definition for “average”, something about it being “mean, median, or mode”: https://

The first few dictionaries I looked at online said, in the first or second definition for “average”, something about it being “mean, median, or mode”: https://www.merriam-webster.com/dictionary/average https://www.merriam-webster.com/dictionary/average https://en.oxforddictionaries.com/definition/average https://en.oxforddictionaries.com/definition/average https://en.m.wiktionary.org/wiki/average https://en.m.wiktionary.org/wiki/average I agree that arithmetic mean is usually what’s meant, but clearly median and mode can also be rightfully called “averages”.