O-LevelMathematicsStatistics4024/11 · Oct/Nov 2023 · Q93 Marks
The scatter diagram shows the ages of ten people and the time they each take to complete a task. [Figure Scatter Diagram]
- (a)Write down the type of correlation shown on the scatter diagram.[1]
- (b)By drawing a line of best fit, estimate the time taken by a person aged 50 to complete the task.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2023). The mark or mark type is shown in brackets.
- [1] (a) Positive
- [2] (b) Ruled line of best fit
- [2] Reading their straight line of best fit at 50 B1 Dependent on positive gradient
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