To find the mean of a set of data you must add the data together then divide the sum by the number of data in the set.
Step 1: Adding together the data
28 + 44 + 20 + 20 = 112
Step 2: Count how many number there are in the data set
There are 4 numbers in this data set
Step 3: Divide the sum of the data by the number of data in the set
1 12 ÷ 4 = 28
The mean of this data set is 28
Hope this helped!
~Just a girl in love with Shawn Mendes
