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WTDAVG

- Computes the weighted average, given the number of items and average in each group.

Useful for:

- SAT
- ACT
- Algebra 1
- Algebra 2
- Statistics

Solution:

Run WTDAVG. How?

Enter 3 for the number of groups (A, B, C).

Average for group 1 = 44. Number of items in group 1 = 4.

Average for group 2 = 35. Number of items in group 2 = 5.

Average for group 3 = 27. Number of items in group 3 = 3.

The program reports that the weighted average is 36.