Paper 1 structured question: Data and its collection
Description
Student Survey
The school has 400 students, divided into 4 grades: 100 in Grade 9, 100 in Grade 10, 100 in Grade 11, and 100 in Grade 12. The school decides to use stratified sampling to ensure each grade is represented.
| Grade | Number of Students |
|---|---|
| Grade 9 | 100 |
| Grade 10 | 100 |
| Grade 11 | 100 |
| Grade 12 | 100 |
- a[1]
Calculate How many students should be sampled from each grade if the school wants to survey 40 students in total?
Aim for approximately 1 distinct marking point.
