Studentexam marks(out of 100) and the number of classes theymissedin the trimester were recorded for a subject.Excel was used to investigate the potential linear relationship between these two variables.A section of the summary output is provided below:

What is the correlation coefficient?

Give your answer correct to two decimal places.Do NOT include units.Do NOT give a percentage.

Regression statistics Multiple R 0.73 R square 0.53 Observations 87 Coefficients Standard Error Intercept 83.79 8.38 Classes missed -6.82 0.56