Averages in a frequency table
You have to times the score by the frequency and that will give you fx. Total up the fx and frequency. Then divide the fx by the frequency. eg.6 x 2=12 and so on. Then add up frequency and fx columns. 2+3+7+7+1=20 12+21+56+63+10=162 Then 162/20=8.1
If you do not understand then please tell me on my blog.
If you do not understand then please tell me on my blog.