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# How do you average your grades?

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### Quick Answer

To calculate an average grade, first add up all the individual grades, then divide by the total number of grades. Letter grades or percentage grades can be converted to the 4.0 scale to find the grade point average, or GPA.

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### Full Answer

For example, any score from 93 to 100 percent is an A or A+, and it is worth four points on the 4.0 scale. An A- is 90 to 92 and worth 3.7 points. Calculate each grade into a numeric value, either as a percentage or on the 4.0 scale. Then, add all these numbers together. Finally, divide by the total number of grades. This results in the arithmetic mean, the number most commonly thought of as the average. However, the word "average" can be used to refer to the median, the mode or another type of calculation. Adjust depending on which is desired.

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## Related Questions

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The mathematical symbol for "average" is an italicized "x" with a horizontal line over it. The most common type of average is the mean, though other types exist.

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To calculate the average of a set of values, add up all the numbers. The sum is then divided by the count of values.

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Calculate the weighted average of a data set using the formula w1x1 + w2x2 + … wnxn. It involves multiplying each number by its weight and then summing up their products. You need the data values, or x, and the data value's weights, or w.

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The average of a group of numbers is found by adding all the data values together and dividing by the number of values in the group. Another word for the average is the arithmetic mean.

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