In a simple linear regression , the following statistics are calculated from a sample of ten observations: = 2250, = 10, = 50, = 75. Which of the following values equals the least-squares estimates of the slope and y-intercept, respectively?
A) 1.5 and 0.5
B) 1.5 and 2.5
C) 2.5 and -5.0
D) 2.5 and 1.5

Question

In a simple linear regression , the following statistics are calculated from a sample of ten observations:  = 2250,  = 10,  = 50,  = 75. Which of the following values equals the least-squares estimates of the slope and y-intercept, respectively?
A) 1.5 and 0.5 
B) 1.5 and 2.5 
C) 2.5 and -5.0 
D) 2.5 and 1.5

Quizplus · Accepted Answer

The Answer is C

In a Simple Linear Regression , the Following Statistics Are