

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


A. 
range 
B. 
mode 


C. 
mean 
D. 
median 


Hint 


2. 
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. 
range 
B. 
mean 


C. 
median 
D. 
mode 


Hint 


3. 
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 


4. 
Both bar graphs show the amount it costs to heat a twostory house during the winter. Which graph is misleading? Explain. 





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


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


C. 
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. 


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 


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





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


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


C. 
The horizontal scale is missing the oddnumbered days. 


D. 
The vertical axis is not labeled. 


Hint 


