Paper 1 structured question: Frequency distributions
Paper 1Statistical Techniques1 marks
Data Table
Test Scores Distribution
The following table shows the distribution of test scores for a class of 20 students.
| Score Range | Frequency |
|---|---|
| 0 to under 10 | 2 |
| 10 to under 20 | 3 |
| 20 to under 30 | 5 |
| 30 to under 40 | 6 |
| 40 to under 50 | 4 |
- a[1]
Calculate the total number of students who scored 30 or above.
Aim for approximately 1 distinct marking point.