Sunday, 10 July 2016

Measure of Tendency 1 - Mean

What Is Mean?
-   Mean is often called as average. It is the most popular and well known measure of tendency.
-   It can be used with both discrete and continuous data.
-   Mean is equal to the sum of all the values in the data set, then divided by the number values in data set.

Formula for Mean:


Sample Question:
-   Find the mean of the following set of scores: 
         a)      2, 2, 2, 4, 5, 7, 6  
              b)      2, 6, 5, 5, 4, 2, 1, 2, 3, 5

     
     Answer:  

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