📍Median

The middle value when everything is put in order: half the observations at or below it, half at or above. With an even count, the midpoint of the two in the middle. One enormous value drags a mean and leaves a median where it was.

From 🎓 Lecture 2 - Describing data without lying. I lost two marks on skew in 📌 Statistics I - Quiz 1 - Describing data that same evening, so the lesson was timely. 🎓 Lecture 1 - What a sample can tell you sets up why the summary matters at all.

Origin: Latin medianus, in the middle, from medius.

Added 4 February: this is why Rafael says show me Tuesday. An average resolution time describes no day he has ever worked. A typical Tuesday does. 📌 Statistics I - Assignment 1 - Describing a dataset bans a lone average for the same reason.