7. Assume that for 5 randomly selected students, x is the number of hours spent chatting on-line on the weekend before a
Posted: Thu May 05, 2022 8:17 pm
just b & c
7. Assume that for 5 randomly selected students, x is the number of hours spent chatting on-line on the weekend before an exam, and y is the exam score received. X 5 9 12 17 24 Y 87 65 69 52 40 a) Find the correlation coefficient for the given data set. b) Find the equation of the regression line. c) Predict the score achieved by a student who spent 20 hours chatting on-line using the equation of the regression line.
7. Assume that for 5 randomly selected students, x is the number of hours spent chatting on-line on the weekend before an exam, and y is the exam score received. X 5 9 12 17 24 Y 87 65 69 52 40 a) Find the correlation coefficient for the given data set. b) Find the equation of the regression line. c) Predict the score achieved by a student who spent 20 hours chatting on-line using the equation of the regression line.