Question

Rodrigo and Elise are judges for the Somerville Ice Staking Federation. Due to claims of malfeasance at recent competitions, a reporter is investigating the relationship between the scores awarded by the two judges. She has collected the scores awarded by Rodrigo, x, and Elise, y, for each performance in the last competition. Rodrigo's score Elise's score 2.6 0 2.9 5 3.1 3 3.4 5 4.7 6 The correct least squares regression line for the data set is: y=2.089x–3.177 Use it to complete the following sentence: The least squares regression line predicts an increase of points in the score Elise awards for an increase of 1 point in the score Rodrigo awards.

Answer 1

The least squares regression line predicts an increase of **2.089** points in the score Elise awards for an increase of 1 point in the score Rodrigo awards.