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A firm intends studying the relationship between the age (in years) and the annual repair cost (in thousands of rand), of the machines in their factory. A sample of eight machines was randomly selected and the following data were collected:

Determine the correlation coefficient of a linear regression between x and y. What relationship exists between x and y ?

Question

Questions are sequential. You cannot go back to any question once you've clicked "Next Page". 
 A firm intends studying the relationship between the age (in years) and the annual repair cost (in thousands of rand), of the machines in their factory.  A sample of eight machines was randomly selected and the following data were collected:

Determine the correlation coefficient of a linear regression between  x  and  y.  What relationship exists between  x  and  y ?

Answer

Almost no linear relationship

Answer

A strong negative linear relationship

Answer

A strong positive linear relationship

Answer

A perfect positive linear relationship

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