Cambridge IGCSE Statistics practice

Paper 1 structured question: Bivariate distributions

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Bivariate distributions

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Paper 1Statistical Techniques3 marks

A scatter diagram shows the relationship between daily exercise time (minutes) and calories burned for 6 individuals. The data pairs are: (10, 80), (20, 100), (30, 120), (40, 140), (50, 160), (60, 180).

Data Table

Exercise Time and Calories Burned

Data pairs showing exercise time and calories burned for 6 individuals.

Exercise Time (minutes)	Calories Burned
10	80
20	100
30	120
40	140
50	160
60	180

a
Sketch Draw a scatter diagram for the data and draw a line of best fit using visual estimation.
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Aim for approximately 3 distinct marking points.
[3]

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