Amelia plays basketball for her high school. She wants to improve to play at the college level. She notices that the number of points she scores in a game goes up in response to the number of hours...

Amelia plays basketball for her high school.  She wants to improve to play at the college level.  She notices that the number of points she scores in a game goes up in response to the number of hours she practices her jump shot each week.  She records the following data:

a)  What is the correlation coefficient (r)? (round to 3 decimal places)

b)  What is the value of the coefficient of determination?  (express as a percent with 1 decimal point)