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Student test marks (out of 100) and the number of hours they do paid work, were recorded for a subject.Excel was used to investigate the

Studenttest marks(out of 100) and the number of hours they do paid work, 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:

Regression statistics

Multiple R

0.45

R square

0.2025

Observations

Coefficients

Standard Error

Intercept

70.11

6.26

Hours of paid work

-2.48

3.48

What is the value of the slope?Give your answer correct to two decimal places.Do NOT include units.

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