

1. 
Which statistic is misleading in the following set of test scores? 2, 85, 87, 88, 89 


A. 
mean 
B. 
upper quartile 


C. 
median 
D. 
mode 


Hint 


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


A. 
range 
B. 
mode 


C. 
median 
D. 
mean 


Hint 


3. 
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. 
mean 
B. 
mode 


C. 
range 
D. 
median 


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 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 


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. 
The vertical axis is not labeled. 


C. 
The horizontal scale is missing the oddnumbered days. 


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


Hint 


