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Paper 1Statistical Techniques2 marks
A researcher is conducting a study on the effects of a new teaching method.
Data Table
Classroom Data
The researcher has data from 5 classrooms, each with different numbers of students. The classrooms are divided into two groups based on their performance: high and low achievers.
| Classroom | Number of Students | Group |
|---|---|---|
| Class A | 30 | High |
| Class B | 25 | Low |
| Class C | 28 | High |
| Class D | 32 | Low |
| Class E | 20 | High |
- a[2]
Comment On the representativeness of a sample taken from these classrooms if 10 students are randomly selected from each group.
Aim for approximately 2 distinct marking points.
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