Unit 8 · Class 7 IB MYP · Formula Sheet

Statistics (Central Tendency) Formulas — Class 7 IB MYP

Calculate and compare mean, median, and mode for different data sets.

Key Formulas

Mean

\bar{x} = \dfrac{\sum x}{n}

Median

\text{Middle value when data is ordered}

Mode

\text{Most frequent value}

Range

\text{Range} = \text{Max} - \text{Min}

Worked Examples

1Using: Probability

A die is thrown. Find P(getting an even number).

Step 1: Even outcomes: {2, 4, 6} = 3.

Step 2: Total outcomes = 6.

Step 3: P = 3/6 = 1/2.

Answer: 1/2

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Frequently Asked Questions

How many formulas are in Class 7 IB MYP Statistics (Central Tendency)?+
There are 4 formulas in the Statistics (Central Tendency) chapter for Class 7 IB MYP. Each formula is essential for solving problems in this topic.
How to remember Statistics (Central Tendency) formulas easily?+
Practice regularly with worked examples, group related formulas together, and use SparkEd's interactive practice mode to reinforce your memory through problem-solving.
Are these Statistics (Central Tendency) formulas enough for exams?+
Yes, these formulas cover the complete IB MYP Class 7 syllabus for Statistics (Central Tendency). Practice applying them to different types of questions for full exam readiness.

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