

1. 
A graph is misleading if ______. 


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


C. 
it is a bar graph 
D. 
there are no labels on either scale 


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. 
range 
D. 
mode 


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. 
mode 


C. 
range 
D. 
median 


Hint 


4. 
Which statistic gives the most meaningful information about the central tendency of the data {23, 25, 26, 26, 27, 29, 29, 30, 450, 450, 450}? 


A. 
median 
B. 
mean 


C. 
mode 
D. 
range 


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; 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. 


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


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


Hint 


