Mean=average. Put the numbers from least to greatest then add all of them the divide the sum by how many numbers there is
median equals the middle number. Again put the numbers from least to greatest if there is an odd number the median is the number in the middle if it is even find the 2 numbers in the middle then find the mean(average) of those to numbers
mode is the number that you see the most in the data set
range you have to subtract the biggest number and the smallest number then you have your range