GRADE 7 · MATHEMATICS · TOPIC 9

Statistics

Samples help estimate properties of a larger group.

CONCEPT EXPLAINED

Understand the concept

Samples help estimate properties of a larger group.

SOLVED EXAMPLE

5 of 20 prefer chess. What percent?

  1. Step 1: 5/20 × 100.

Final answer: 25%

PRACTISE YOURSELF

10 of 50 prefer art

Show the answer

20%

Try another similar question and explain each step aloud. Refer to your school syllabus for topic level and notation.