Summary of Central Tendency

     ITEM A

11
  3
12
  1
  3
  6
  4
  3

Mean
Median
Mode

Positively-skewed distribution. Mean will be higher than median and mode. Median is better representative of where most scores are located.

      ITEM B

9
8
8
7
6
5
8
1
6

Mean
Median
Mode

Negatively-skewed distribution. Mean will be lower than median and mode. Median is better representative of where most scores are located.

ITEM C

   5
   5
   5
   5
   5
   5
   5

Mean
Median
Mode

This is a constant. Everyone has the same score.

NOW YOU CHOOSE:
   Day 2: Central Tendency
   A Bit More About Central Tendency
   Even More About Central Tendency
   More Examples
      More Mean Examples
      More Median Examples
      Median Is Middle Of Distribution
      More Mode Examples
   Impact of Outlying Scores
      On The Mean
      On The Median
      On The Mode
   How To Calculate Central Tendency
      Calculating The Mean
      Calculating The Median
      When There’s No Middle-Most Score
      Calculating The Mode
   Formulas For Central Tendency
   Basic Facts About Central Tendency
   Vocabulary
   Quiz 2
   Summary