Question 1

Exhibit 1-1

-In Exhibit 1-1, point c represents

Accepted Answer

A) x = 30, y = 60 
B) x = 60, y = 30 
C) c = 90 
D) x + y = 60 
E) x + y = 30

Question 2

A line on a graph will shift if

Accepted Answer

A) the independent variable changes 
B) there are no changes in any variables considered in the model 
C) there is a change in a variable that had previously been assumed to be constant 
D) a change in the independent variable causes a change in the dependent variable 
E) the independent variable and the dependent variable are unrelated

Question 3

Exhibit 1-1

-Point a in Exhibit 1-1 represents

Accepted Answer

A) the origin 
B) x = 0, y = 50 
C) x = 50, y = 0 
D) x + y = 50 
E) y = 0; no information is given about x

Question 4

Exhibit 1-16
     
-Refer to exhibit 1-16. Which of the graphs illustrates a direct or positive relationship between variable X and variable Y?

Accepted Answer

A) a 
B) b 
C) c 
D) d 
E) e

Exam 2: Understanding Graphs-Appendix

Exhibit 1-1 -In Exhibit 1-1, point c represents

A line on a graph will shift if

Exhibit 1-1 -Point a in Exhibit 1-1 represents

Exhibit 1-16 -Refer to exhibit 1-16. Which of the graphs illustrates a direct or positive relationship between variable X and variable Y?