817 Math Blog

• the sum of all data devided by the number of data
• outlier effects the outcome

This is a link about the mean

http://www.robertniles.com/stats/mean.shtml

Median

• the middle number of a set of data
  
• there are two middle numbers find the mean of the numbers
  
  

This is a link about median

http://www.robertniles.com/stats/median.shtml

Mode

• the number that shows up the most
  

there can be more than one or no mode

This is a link about mode

http://www.mathgoodies.com/lessons/vol8/mode.html

Range

• the largestest data minus the smallest data
  
• an outlier effects the outcome