Understand the idea
A percentage is a part divided by the whole, multiplied by 100. A large percentage can still come from a small sample.
WORKED EXAMPLE
In a fictional trial, 12 of 20 tasks succeeded. Success rate = 12 / 20 × 100 = 60%.
Watch it step by step
Step 1 of 4Read
Read the labels and values: Succeeded: 12, Other: 8.
Choose Play to advance steps automatically.
Read or choose any step
- Read
Read the labels and values: Succeeded: 12, Other: 8.
- Represent
Compare the bars on a scale that starts at zero.
- Calculate
Work through the calculation in the example; result: 60.
- Interpret
Explain what the result means and what it does not establish.
TRY BEFORE CHECKING
Exercises with feedback
MAKE SOMETHING YOU CAN EXPLAIN
Your practical challenge
Represent the 12 successes and 8 other outcomes. Write the percentage and sample size together.
These ticks are your self-review. They do not automatically assess project quality. Ask an adult or partner to review what you can show.
Use the skill in a new situation
Compare 3 of 5 with 12 of 20 without claiming equal certainty.