Reading and grades (3.2) The Fathom scatterplot below shows the number of books read and the English grade for all 79 students in the study. A leastsquares regression line has been added to the graph.

(a) Interpret the meaning of the slope and y intercept in context.

(b) The student who reported reading 17 books for pleasure had an English GPA of 2.85. Find this student’s residual and interpret this value in context.

(c) How strong is the relationship between English grades and number of books read? Give appropriate evidence to support your answer.

Transcribed Image Text:

GPA 4.2 4.0- 3.8- 3.6- 3.4- 18 3.2- 3.0- 2.8 2.6- 2.4- 00 do 0246 8 10 12 14 16 18 20 22 Books_Read GPA 3.42+0.024Books Read; 2 = 0.083