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The following table shows the number of subscribers of a cable company in recent years: Year 2013 2014 2015 2016 2017 No. of Subscribers (in

The following table shows the number of subscribers of a cable company in recent years:

Year 2013 2014 2015 2016 2017
No. of Subscribers (in thousands) 26 38 45 115 135

Find the correlation coefficient between year and number of subscribers

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