All Topics
Statistics & Data Analysis
Mean, Median, Mode, Range & Weighted Average
均值、中位数、众数、极差与加权平均
Medium frequency
Exam Frequency
4
avg per test
3
Quantitative Reasoning
1
Math Achievement
What to Study
- Mean (average)
- Median
- Mode
- Range
- Weighted averages
- Missing data values
Key Formulas
Mean = Sum / Count
Range = Max - Min