816 Math Blog

1. Arrange the data in ascending order


2. Add up all the data in the set
   
3. Divide the number you got by the amount of data in the set


4. And thats the mean
   

Median Is the middle number after the numbers are arranged in numerical order. Here is how to find it ...........

1. Arrnge the data in ascendig order
   
2. Find the middle number(s)
   
3. If there is one you are done if there are two then you add them together
   
4. Then take the added number and divide by two and you have got the median
   
   

Mode Is the most frequently occuring number in the set. Here is how it is done..........

1. Arrange the numbers in ascending order
   
2. Then find the most frequently occuring number. If there is none, and there is only one of every number in the data set, than you are done and there is no mode
   
3. If there are two or more of one number, and three of another, then the one with three is the mode

1. Take the largest and the lowest number
   
2. Subtract the lower number from the greater number
   
3. And thats the range. Easy huh?