Using α=0.05α=0.05, find the critical values of r.

MATLAB: An Introduction with Applications
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Car Fuel Efficiency

Data for fuel economy ratings in mi/gal for different cars are listed below. Each pair of data represents the rating using the Old test and the New test. 

Old 30 22 23 31 27 21 20 19 28 16
New 25 18 25 26 23 18 17 16 31 19

Using α=0.05α=0.05, find the critical values of r.
Enter the exact value found using the r table.

± ______________

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