Answer :
Using the weighed mean, Susan's grade point average is of 1.89.
What is the weighed mean?
The weighed mean is given by the sum of all elements in a data-set multiplied by it's weight, divided by the sum of the weights.
In this problem, the grades and the weights are:
- In topology, a grade of 3 with a weight of 2.
- In government, a grade of 1 with a weight of 5.
- In engineering, a grade of 4 with a weight of 1.
- In creative writing course, a grade of 2 with a weight of 1.
Hence, her GPA is given by:
[tex]GPA = \frac{3(2) + 1(5) + 4(1) + 2(1)}{2 + 5 + 1 + 1} = 1.89[/tex]
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