

1. 
A graph is misleading if ______. 


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


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


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. 
median 
B. 
mean 


C. 
mode 
D. 
range 


Hint 


3. 
Which statistic gives the most meaningful information about what price you should expect to pay for a certain baseball bat if the following data are a set of prices at different stores for the bat. {10, 10, 10, 10, 10.50, 11, 12, 14, 18}. 


A. 
mean 
B. 
range 


C. 
mode 
D. 
median 


Hint 


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


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


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


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. 
The horizontal scale is missing the oddnumbered days. 


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


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


Hint 


