Practice Computing Mean & Variance

BUSI 2342


Here are three sample data sets to help you practice computing means and variances the long way. 

Each uses an n of 7.


Click right arrow to begin.



Example 1

45
46
42
50
41
46
48

Click the down arrow to see the answer below.


Solution


Click the right arrow for the next example.


Example 2

117
101
122
135
108
112
124

Click the down arrow to see the answer below.


Solution

Click the right arrow for the next example.


Example 3

8
5
6
4
5
7
6

Click the down arrow to see the answer below. 


Solution


That's all. Close the window when you're done.

Practice Computing Variance

By smilinjoe

Practice Computing Variance

By hand, using a calculator and a table.

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