

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


A. 
upper quartile 
B. 
mean 


C. 
mode 
D. 
median 


Hint 


2. 
Write a percent to represent the shaded area. 





A. 
64% 
B. 
100% 


C. 
4% 
D. 
16% 


Hint 


3. 
Express as a percent. 


A. 
35% 
B. 
0.35% 


C. 
350% 
D. 
3.5% 


Hint 


4. 
Express 25% as a fraction. 


A. 

B. 



C. 

D. 



Hint 


5. 
What is the least common multiple of 4, 5, and 16? 


A. 
80 
B. 
64 


C. 
16 
D. 
160 


Hint 


6. 
Order the integers –5, 1, 6, 3, and 5 from least to greatest. 


A. 
–3, 5, 6, 1, 5 
B. 
–5, 6, 3, 1, 5 


C. 
–6, 5, 3, 1, 5 
D. 
5, 1, 3, 5, 6 


Hint 


7. 
When you add 6 to the product of a number and 10, the result is 36. Solve 10n + 6 = 36 to find the number. 


A. 
4 
B. 
6 


C. 
2 
D. 
3 


Hint 


8. 
Solve . Write the solution in simplest form. 


A. 

B. 



C. 

D. 



Hint 


9. 
Find the median of {67, 24, 98, 15, 76, 44}. 


A. 
54 
B. 
55.5 


C. 
67 
D. 
44 


Hint 


10. 
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. 
mode 
B. 
mean 


C. 
median 
D. 
range 


Hint 


11. 
Solve x + 9 = 11. 


A. 
9 
B. 
2 


C. 
2 
D. 
11 


Hint 


12. 
If a batch of cookies takes of an hour to prepare and bake, about how many batches of cookies can be prepared and baked in three hours? 


A. 
13 
B. 
12 


C. 
10 
D. 
15 


Hint 


13. 
Solve = . 


A. 
21 
B. 
13.1 


C. 
20 
D. 
22.1 


Hint 


14. 
Recently, basketball player Steve Nash made 231 free throws in 258 attempts. What percent of free throws did he make? Round to the nearest whole percent. 


A. 
95% 
B. 
85% 


C. 
88% 
D. 
90% 


Hint 


15. 
Both bar graphs show the amount it costs to heat a twostory house during the winter. Which graph is misleading? Explain. 





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


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


16. 
Of all Americans who use a mobile phone, approximately 1 in 5 subscribe to the wireless Internet. What percent of mobile phone users is this? 


A. 
10% 
B. 
20% 


C. 
15% 
D. 
40% 


Hint 


17. 
Which set of rational numbers is ordered from least to greatest? 


A. 
0.6, , 73%, 


B. 
0.6, , , 73% 


C. 
, 0.6, 73%, 


D. 
, 73%, , 0.6 


Hint 


18. 
The bar graph shows survey results of the age of students who were first allowed to either walk or ride their bike to school alone. Suppose there are 4,240 students in the district. Predict how many of them were first allowed to walk or ride their bike to school alone when they were 10 years of age or older. 





A. 
1,506 
B. 
1,526 


C. 
1,502 
D. 
1,560 


Hint 


19. 
Solve y  10 7. Graph the solution. 


A. 

B. 



C. 

D. 



Hint 


20. 
Name the range for the following function table. 





A. 
{1, 2, 3, 4} 
B. 
{5, 6, 7, 8} 


C. 
{6, 8, 9, 11} 
D. 
{1, 0, 1, 2} 


Hint 


