

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. 
mode 
B. 
median 


C. 
upper quartile 
D. 
mean 


Hint 


3. 
Which statistic gives the most accurate information for the following set of test scores? 2, 85, 87, 88, 89 


A. 
mean 
B. 
range 


C. 
mode 
D. 
median 


Hint 


4. 
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. 
median 
B. 
mode 


C. 
mean 
D. 
range 


Hint 


5. 
The line graph shows the average price of gas for one recent month in Austin, Texas. Why is the graph misleading? 





A. 
The vertical axis is not labeled. 


B. 
It shows that the highest price occurred at the beginning of the month and the lowest price occurred at the end of the month. 


C. 
It shows that price of gas changed dramatically during the month. 


D. 
The horizontal scale is missing the oddnumbered days. 


Hint 


