

1. 
A graph is misleading if ______. 


A. 
it is a bar graph 
B. 
it is a line graph with years labeled on the horizontal axis 


C. 
there are no labels on either scale 
D. 
it has a title 


Hint 


2. 
Which statistic is misleading in the following set of test scores? 2, 85, 87, 88, 89 


A. 
mean 
B. 
upper quartile 


C. 
median 
D. 
mode 


Hint 


3. 
Which statistic reveals the least about the increase in the following average gasoline prices for seven consecutive weeks? $1.05, $1.05, $1.05, $1.55, $1.65, $1.75, $2.00 


A. 
mode 
B. 
range 


C. 
mean 
D. 
median 


Hint 


4. 
Which of the following is a way in which statistics are made to be misleading? 


A. 
All three measures of central tendency are presented. 
B. 
The scale is altered on a graph. 


C. 
The actual data are shown, and you are allowed to figure out the measures of central tendency on your own. 
D. 
Outliers on data are brought up and their effects on the measures of central tendency are explained. 


Hint 


5. 
Both bar graphs show the amount it costs to heat a twostory house during the winter. Which graph is misleading? Explain. 





A. 
Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. 


B. 
Graph B; the months are not ordered from least to greatest cost. 


C. 
Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November. 


D. 
Graph A; the months are not ordered from greatest to least cost. 


Hint 


