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.
