Topic 11.23 min read
11.2 Definition and Calculation of Mean, Median and Mode
Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observations. Types of averages commonly used: 1. Arithmetic Mean 2. Median 3. Mode (Also: Geometric mean, Harmonic mean)
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11.2 Definition and Calculation of Mean, Median and Mode
What is it?
Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observations. Types of averages commonly used: 1. Arithmetic Mean 2. Median 3. Mode (Also: Geometric mean, Harmonic mean) ---
In simple words
11.2 Definition and Calculation of Mean, Median and Mode is a core idea in this chapter. Learn the meaning first, then the main parts, then one clear example.
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Full school-level explanation
Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observations. Types of averages commonly used: 1. Arithmetic Mean 2. Median 3. Mode (Also: Geometric mean, Harmonic mean) ---
Why it matters
Understanding 11.2 Definition and Calculation of Mean, Median and Mode helps you answer definition, explanation, and application questions in this chapter.
Deeper understanding
Go deeper on 11.2 Definition and Calculation of Mean, Median and Mode: connect the definition to reasons, relationships, exceptions, and exam wording.
Exam focus
Key Point 1
Key Point 2
Key Point 3
Key Point 4
Exam focus
Quick revision
- Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observ
For long answers on 11.2 Definition and Calculation of Mean, Median and Mode: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observ
Common exam traps
- Do not write about 11.2 Definition and Calculation of Mean, Median and Mode without a clear definition.
- Do not mix this idea with a neighbouring chapter concept.
Long question structure
Definition → key parts → example → exam caution
Common Mistakes
Common Mistakes
- Mistake
Do not write about 11.2 Definition and Calculation of Mean, Median and Mode without a clear definition.
- Mistake
Do not mix this idea with a neighbouring chapter concept.
- Mistake
Do not list facts without showing how they connect.
Revision Zone
60-Second Revision
Quick cues from this topic — use them for last-minute revision.
Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observ
Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observations. **Types of averages commonly use
- Definition
- Average: A single value which is calculated to represent the whole data. It expresses the central idea of the observations. **Types of averages commonly use
- Critical warning
- Do not write about 11.2 Definition and Calculation of Mean, Median and Mode without a clear definition.
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Exam Practice
Define
Q1. Define 11.2 Definition and Calculation of Mean, Median and Mode.
Explain
Q2. Explain the main ideas in 11.2 Definition and Calculation of Mean, Median and Mode.
Example
Q3. Give one clear example of 11.2 Definition and Calculation of Mean, Median and Mode and say why it fits.
Mistake
Q4. State one common mistake students make about 11.2 Definition and Calculation of Mean, Median and Mode.
Exam note
Q5. Write a short exam note on 11.2 Definition and Calculation of Mean, Median and Mode: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.