More Mean Examples

The mean of the following numbers is 5:

7
6
5
4
3

So is the mean of these numbers:

9
9
8
6
4
2
1
1

Let me make one change. I’ll change the top score.

49 
  9 
  8 
  6 
  4 
  2 
  1 
  1

Although the 9,9,8,6,4,2,1,1 string has a mean of 5, notice that by changing only one number the mean of the scores becomes 10. Means take into account the weight of every score. Think of them as being very democratic.

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