Multiple Choice
THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below. 
-Which of the following is true of the least squares equation, 
= 20 + 5x?
A) The y-intercept of the least squares line is 5.
B) For each unit increase in x,the value of y approximately increases by 5.
C) For each unit increase in y,the value of x approximately increases by 20.
D) For each unit increase in y,the value of x approximately increases by 25.
Correct Answer:
Verified
Correct Answer:
Verified
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