An automobile company is running a new television commercial in five cities with approximately the same population. The Tollowing table shows the number of times the commercial is run on TV in each city and the number of car sales (in
hundreds). Find the Pearson correlation coefficient r for the data gwen in the table. Round any intermediate calculations to no
ipss than six decimal places, and round your final answer to three decimal places.
Number of TV commercials, X
Car sales, y ſin hundreds)
67 12 14 19
2135 8 9
9