

1. 
A graph is misleading if ______. 


A. 
there are no labels on either scale 
B. 
it is a line graph with years labeled on the horizontal axis 


C. 
it has a title 
D. 
it is a bar graph 


Hint 


2. 
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. 
median 


C. 
mean 
D. 
range 


Hint 


3. 
Which is not a reason that measures of central tendency for a set of data can be misleading? 


A. 
inaccurate data 
B. 
outliers in the data 


C. 
incomplete data 
D. 
too much data 


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 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. 


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


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


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


Hint 


