Truncating axes

Maths

Bivariate data

The graph below shows the favourite sport of some pupils in Year 8, how many prefer boxing?

Looking at the same graph, is the following statement true or false: "Triple the number of people prefer boxing to athletics"

25% more people prefer other sports to athletics

Double the number of people prefer athletics to tennis

Triple the number of people prefer other sports to tennis

Smoking causes lung cancer. What kind of correlation would you expect to see?

There is no causal relationship between higher pet ownership and reading

There is a positive correlation between the number of pets people own, and the number of books people read. Which of these statements is most likely to be true?

What correlation would you expect to see between the variables weekly salary and amount spent on food per week?

A higher amount of money spent on food causes a higher salary

A higher amount of money spent on food causes a lower salary

A higher salary causes a higher amount of money spent on food

A higher salary causes a lower amount of money spent on food

Which of the following statements is most likely to be true?

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