ll Chapter 3-Key terms Measures of·Mean Centra u, population; x, sample Tendency, Weighted mean The center Median Mode Note comparison of mean median, an d mode) @2002 The Wadsworth GroupChapter 3 - Key Terms • Measures of Central Tendency, The Center • Mean – µ, population; , sample • Weighted Mean • Median • Mode (Note comparison of mean, median, and mode) x © 2002 The Wadsworth Group