It may look a bit overwhelming, but let's have a look at a hypothetical results sheet, and everything should be clear: High School GPA = Σ (weighted grade value High School GPA = Σ (weighted grade value) / Σ courses Weighted GPA, as the GPA where we DO care about course difficulty: High School GPA = Σ grade value / Σ courses Unweighted GPA, as the GPA where we DON'T care about course difficulty:Ī) and we DON'T care about course credits: So, what are the options for weighing in High school GPA calculations? Let's define: Honors Courses most often give you an additional 0.5 points (although you can find examples of schools where it's awarded with 1 point).College Prep classes can also add 1 point to your grade and.IB Courses (International Baccalaureate Courses) are also rewarded with 1 extra point.AP Courses (Advanced Placement Courses) usually give you an additional 1 point to your standard GPA score.There are a couple of types of more demanding courses which influence your weighted GPA score: It rewards you for taking classes of a higher level by adding extra points to your grade. The first thing we need to emphasize: you need to be precise about what you want to take into account during weighting - credits, course difficulty, or maybe both these factors?Ĭourse difficulty is taken into account in most weighted GPA calculations. It's a term that rarely appears in the context of college GPA (although college GPA is computed using a weighted average method, with courses credits as weights) but is usually used for high school GPA. We often use a weighted average to calculate the so-called weighted GPA. Simply multiply each x value by its probability of occurring and sum the values. Since the probabilities for each value of x will likely not all be the same, we can apply the weighted average formula. In statistics, you will often encounter a discrete probability distribution that has values for x and their associated probabilities. If the test scores are 75, 90, and 88, the quiz average is 70, and the homework grade is 86, the weighted average is as follows:Ĭompare this to a non-weighted average of (75 + 90 + 88 + 70 + 86) / 5 = 81.8 To calculate the average, you multiply the percentage by the grades and add them together. Each of the three exams is worth 25 percent of the grade, the quizzes are worth 15 percent, and the homework assignments are worth 10 percent. Typically, we present the weights in the form of a percentage or (in statistics) a probability of occurrence.įor example, let's suppose that exams, quizzes, and homework assignments all contribute to a class's grade. Sometimes it may be a really significant difference - like a grade difference or even whether you pass or fail your course.īut what does it mean? To figure out how to calculate a weighted average, we need to know the weight of each value. Then we don't take the credits into account, and we divide the sum of grades by its total number. Let's compare this result to an average that is not weighted. We may write the whole weighted average formula as: So, for our example, it's equal to 44.6/13 = 3.43 Divide the sum by the total number of credits.Take the value assigned to the grade and multiply it by the number of credits.4 + 4 + 3 + 2 = 13, that was a really easy step. Now that we have all the information, we can have a look at how to calculate the GPA using a weighted average method: In this example, the WACC would be calculated as follows: V = E + D is the total market value of the company's financing (equity and debt),Į/V is the percentage of equity financing,Įxample: Suppose we have the following information about a firm: WACC is the weighted average cost of capital,Į is the market value of the company's equity,ĭ is the market value of the company's debt, WACC = (E / V) × R e + (D / V) × R d × (1 − T c) The calculator uses the following basic formula to calculate the weighted average cost of capital:
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