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  2. Grade 10
  3. Statistics and Probability
  4. Statistics
  5. Mean of Grouped Data
  6. Mean for an Exclusive Series
  7. Step-Deviation Method

Grade 10 Sri Lanka School Math Step-Deviation Method

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Grade 10
1. Real numbers
2. Polynomials
3. Linear Equations in Two Variables
4. Triangles
5. Trigonometry
6. Statistics and Probability
6.1. Statistics
6.1.1. Mean of Grouped Data
6.1.1.1. Mean for an Exclusive Series
6.1.1.1.1. Direct Method
6.1.1.1.2. Assumed-Mean Method
6.1.1.1.3. Step-Deviation Method
6.1.1.2. Mean for an Inclusive Series
6.1.1.3. Word Problems on Mean
6.1.2. Median for Grouped Data
6.1.3. Mode of Grouped Data
6.1.4. Miscellaneous Questions on Mean, Mode and Median of Grouped Data
6.2. Probability
7. Quadratic Equations
8. Arithmetic Progression (AP)
9. Circles
10. Coordinate Geometry
11. Mensuration
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