Question 1

Exhibit 2A-5 
-According to Exhibit 2A-5,the slope of line 1 may be 1.25,whereas the slope of line 2 may be .75.

Accepted Answer

A) True 
 B)False

Question 2

Exhibit 2A-1 
-Exhibit 2A-1 is an example of a

Accepted Answer

A) bar chart. 
B) scatter diagram. 
C) pie chart. 
D) time-series plot. 
E) dual-scale diagram

Question 3

Suppose a curve shows that every time family income increases by $1,spending increases by $.75.If spending increases by $500,then income increased by

Accepted Answer

A) $667. 
B) $500. 
C) $375. 
D) $125.

Question 4

Consider a ratio for the total number of miles traveled by car divided by the total number of drivers.
(A)If both the total number of miles traveled by car and the total number of drivers increase over time,what must be true for the ratio to rise over time?
(B)If both the total number of miles traveled by car and the total number of drivers fall over time,what must be true for the ratio to rise over time?
(C)If the ratio is not changing over time,what must be true about the total number of miles traveled by car and the total number of drivers over time,and relative to each other?

Accepted Answer

The answer of Consider a ratio for the total number...

Question 5

Exhibit 2A-8 
-The slope of the relationship between X and Y is positive in Exhibit 2A-8.

Accepted Answer

A) True 
 B)False

Question 6

Exhibit 2A-4 
-Refer to Exhibit 2A-4.Which of the following statements is true?

Accepted Answer

A) The slope at point B is greater than the slope at point A. 
B) The slope at point A is less than the slope at point B. 
C) The slope at point A is greater than the slope at point B. 
D) The slope at point B is the same as the slope at point A. 
E) The slope at point A is negative,whereas the slope at point B is positive.

Question 7

Suppose a curve shows that every time family income increases by $1,spending increases by $.75.If family income increases by $500,then spending will increase by

Accepted Answer

A) $667. 
B) $125. 
C) $375. 
D) $500.

Question 8

Exhibit 2A-5 
-Refer to Exhibit 2A-5.The movement from A to B is called a

Accepted Answer

A) change in dimension. 
B) shift in the curve. 
C) movement along the curve. 
D) change in the intercept. 
E) change in the slope.

Question 9

Exhibit 2A-2 
-The type of chart shown in Exhibit 2A-2 is referred to as a

Accepted Answer

A) dual-scale diagram. 
B) time-series graph. 
C) bar chart. 
D) pie chart. 
E) scatter diagram.

Question 10

Exhibit 2A-5 
-Refer to Exhibit 2A-5.The movement from C to B is called a

Accepted Answer

A) change in dimension. 
B) shift in the relationship between X and Y. 
C) movement along the curve. 
D) parallel change. 
E) constant.

Question 11

A relationship showing that exam grades are positively related to hours of study can be described by a curve that

Accepted Answer

A) slopes downward. 
B) is horizontal. 
C) has a negative slope with increasing absolute value. 
D) slopes upward. 
E) has a negative slope with decreasing absolute value.

Question 12

Exhibit 2A-3 
-According to Exhibit 2A-3,which of the following is true?

Accepted Answer

A) The magnitude of the slope at point B is the same as it is at point A. 
B) The magnitude of the slope at point A is less than the magnitude of the slope at point B. 
C) The slope at point A is negative,whereas the slope at point B is positive. 
D) The magnitude of the slope at point B is less than the magnitude of the slope at point A. 
E) The magnitude of the slope at point A is greater than the magnitude of the slope at point B.

Question 13

Explain the purpose of each of the following types of graphs:
(A)Time-series graph
(B)Scatter plot
(C)Pie chart

Accepted Answer

The answer of Explain the purpose of each of the...

Question 14

Exhibit 2A-4 
-The curve in Exhibit 2A-4 represents a(n)

Accepted Answer

A) negative slope. 
B) slope that is constant and positive. 
C) slope that is not constant and positive. 
D) inverse relationship. 
E) slope that is constant.

Exam 31: Reading,understanding,and Creating Graphs

Exhibit 2A-5 -According to Exhibit 2A-5,the slope of line 1 may be 1.25,whereas the slope of line 2 may be .75.

Exhibit 2A-1 -Exhibit 2A-1 is an example of a

Suppose a curve shows that every time family income increases by $1,spending increases by $.75.If spending increases by $500,then income increased by

Exhibit 2A-8 -The slope of the relationship between X and Y is positive in Exhibit 2A-8.

Exhibit 2A-4 -Refer to Exhibit 2A-4.Which of the following statements is true?

Suppose a curve shows that every time family income increases by $1,spending increases by $.75.If family income increases by $500,then spending will increase by

Exhibit 2A-5 -Refer to Exhibit 2A-5.The movement from A to B is called a

Exhibit 2A-2 -The type of chart shown in Exhibit 2A-2 is referred to as a

Exhibit 2A-5 -Refer to Exhibit 2A-5.The movement from C to B is called a

A relationship showing that exam grades are positively related to hours of study can be described by a curve that

Exhibit 2A-3 -According to Exhibit 2A-3,which of the following is true?

Explain the purpose of each of the following types of graphs: (A)Time-series graph (B)Scatter plot (C)Pie chart

Exhibit 2A-4 -The curve in Exhibit 2A-4 represents a(n)