Easy -2.5 This is a trivial recall question testing only whether students know that correlation coefficients must lie between -1 and +1. Since -1.2 is outside this range, it is 'definitely incorrect' with no calculation or reasoning required beyond basic knowledge of the definition.
Anke has collected data from 30 similar-sized cars to investigate any correlation between the age of the car and the current market value.
She calculates the correlation coefficient.
Which of the following statements best describes her answer of \(-1.2\)?
Tick (\(\checkmark\)) one box.
[1 mark]
Definitely incorrect
Probably incorrect
Probably correct
Definitely correct
Anke has collected data from 30 similar-sized cars to investigate any correlation between the age of the car and the current market value.
She calculates the correlation coefficient.
Which of the following statements best describes her answer of $-1.2$?
Tick ($\checkmark$) one box.
[1 mark]
Definitely incorrect
Probably incorrect
Probably correct
Definitely correct
\hfill \mbox{\textit{AQA Paper 3 2021 Q10 [1]}}