Weighted Mean
Significance
Weighted means are very common in statistics, especially when studying populations.
Calculation
Weighted mean for percentages
- Exam 1: 15 % of your grade
- Exam 2: 40 % of your grade
- Exam 3: 45 % of your grade
Exam grades:
- Exam 1 Grade: 80%
- Exam 2 Grade: 90%
- Exam 3 Grade: 100%
What is your final weighted average for the class?
Step 1: Multiply the numbers in your data set by the weight
Citation
For attribution, please cite this work as:
Yomogida N, Kerstein C. Weighted Mean. https://yomokerst.com/The
Archive/Evidene Based Practice/Variability/weighted_mean.html