Joshs Measures of Central Tendancy

Thursday, October 9, 2008
Mean
  • put your data in numerical order
  • add up every piece of data
  • divide by the number of pieces of data there were

median
  • arange your data in numerical order
  • cross out one number on both sides till you find the middle
  • if there are two numbers add them up and divide them by two

mode
  • the most common number in a set of data



range
  • arrange your data in numerical order
  • subtract your lowest data from your highest data