TABLE 13-6
The following EXCEL tables are obtained when "Score received on an exam (measured in percentage points)" (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course.

-Referring to Table 13-6, which of the following statements is true?
A) If attendance increases by 0.341%, the estimated average score received will increase by 1 percentage point.
B) If attendance increases by 1%, the estimated average score received will increase by 39.39 percentage points.
C) If attendance increases by 1%, the estimated average score received will increase by 0.341 percentage points.
D) If the score received increases by 39.39%, the estimated average attendance will go up by 1%.

Question

TABLE 13-6
The following EXCEL tables are obtained when "Score received on an exam (measured in percentage points)" (Y) is regressed on "percentage attendance" (X) for 22 students in a Statistics for Business and Economics course.
 
-Referring to Table 13-6, which of the following statements is true?
A) If attendance increases by 0.341%, the estimated average score received will increase by 1 percentage point. 
B) If attendance increases by 1%, the estimated average score received will increase by 39.39 percentage points. 
C) If attendance increases by 1%, the estimated average score received will increase by 0.341 percentage points. 
D) If the score received increases by 39.39%, the estimated average attendance will go up by 1%.

Quizplus · Accepted Answer

According to the regression equation, a 1% increase in attendance is associated with a 0.341 increase in the score received on an exam. Therefore, statement C is true. Statements A, B, and D are not supported by the regression equation.

TABLE 13-6 the Following EXCEL Tables Are Obtained When "Score Received on Received