GMATIntegrated Reasoning

Median is the BEST summary statistic when:

AData is symmetric
BData has outliers/skew that would distort the meanCORRECT
CData is constant
DSample is huge
AI
Toaster Teacher
Why the answer is B, and why the others tempt you.
Median is robust to outliers and skew, so it's preferred for skewed distributions.
Want this in Pidgin, Yoruba, Igbo or Hausa? Sign up free →

Practice more Integrated Reasoning questions

GMAT Integrated Reasoning has thousands more questions like this — with Worked answers on every one.