Weighted Score Math

Converting to and from decimal form.

Weighted score math. Because ava s teacher uses weighted scores in order for her to get an 80 or a b for her final grade she ll need to score a 77 or a c on her final exam. Weighted average 0 10 45 0 15 50 0 25 65 0 50 95. Weighted average 75 75. There s one more.

First multiple the grade received by the weight of the assignment. To scale each of them so they are out of a possible 100 i would do the following 80 out of 90 becomes 80 90 100 88 89. How to calculate weighted grade average. Next add the weight of all the completed assignments together.

Usually leaving your score in decimal form makes it easier to handle. You should probably ensure that the two grades are on the same basis. Repeat this for each completed assignment. So for example suppose the score on the first assignment was 80 out of a possible 90 and the score on the second assignment was 100 out of a possible 120.

0 608 25x 80. Before you start calculating weighted scores let s review the basic skills you ll need to. The notion of weighted mean plays a role in descriptive statistics and also occurs in a more general form in several other areas of mathematics. Weighted average 4 5 7 5 16 25 47 5.

As you can see despite having lots of bad grades on homework assignments and quizzes and failing the midterm the student still passed. How to do a weighted score calculating percentages. If all the weights are equal then the weighted mean is the same as the arithmetic mean. Weighted scoring is a technique for putting a semblance of objectivity into a subjective process.

25x 80 0 608. The weighted arithmetic mean is similar to an ordinary arithmetic mean the most common type of average except that instead of each of the data points contributing equally to the final average some data points contribute more than others. Then add each of the calculated values from step 1 together. 0 098 0 168 0 182 0 16 25x 80.