A study was conducted to deteminewhether a the final grade of a student in anintroductory psychology course is linearly related tohis or her performance on the verbal ability testadministered before college entrance. The verbalscores and final grades for 10 students are shown inthe table below.Student Verbal Score x Final Grade y159682576834957460685283667990750608516397587102532Find the least squares line.y =+XShould the regression be used to predict the finalgrade of a student with a verbal score of 100?answer:

Given The verbal scores and final grades for 10 students are shown in the table below.

hether a the final grade of a student in an croductory psychology course is linearly related to s or her performance on the verbal ability test ministered before college entrance. The verbal ores and final grades for 10 students are shown in e table below. Cudent Verbal Score x Final Grade y 1 59 68 2 57 68 3 49 57 4 60 68 5 28 36 6 79 90 7 50 60 8 51 63 9 75 87 10 25 32 nd the least squares line.