

1. 
Which statistic gives the most accurate information for the following set of test scores? 2, 85, 87, 88, 89 


A. 
mode 
B. 
median 


C. 
range 
D. 
mean 


Hint 


2. 
A realtor is examining data on average home prices in four separate neighborhoods for the past year. Which graph gives the most accurate representation of the home prices in a neighborhood? 


A. 



B. 



C. 



D. 



Hint 


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


A. 
too much data 
B. 
inaccurate data 


C. 
incomplete data 
D. 
outliers in the data 


Hint 


4. 
An automobile dealer wants to sell a certain car for $20,000. If three other dealers in town are selling the same car for $15,000, $15,000, and $30,000, which measure of central should the car dealer use to describe this data to his customers? 


A. 
range 
B. 
mean 


C. 
median 
D. 
mode 


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


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


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


Hint 


