The table shows numbers of books read by students in an English class over a summer and the students' grades for the following semester. Books 0 0 0 0 1 1 1 2 2 3 5 8 13 15 19
Grade 66 70 72 75 73 76 72 75 77 85 89 91 97 90 99
Use your calculator to find an equation for the line of best fit. Calculate and interpret the correlation coefficient. Round your answers to three decimal places, if needed.

The line of best fit is y ≈
x +
;
The correlation coefficient is
which shows a
(select)
correlation.

Use your equation to predict the grade of a student who read 7 books. Round your answer to the nearest whole number, if needed.

The predicted grade is
.