

1. 
What is the scale in the frequency table? 





A. 
91100 
B. 
51100 


C. 
5160 
D. 
0100 


Hint 


2. 
You have scores of 62, 75, and 90 on three of your history exams. What do you need to get on your fourth exam in order to have a mean of 80? 


A. 
80 
B. 
97 


C. 
100 
D. 
93 


Hint 


3. 
Which interval has the most values? 





A. 
7079 
B. 
6069 


C. 
1019 
D. 
9099 


Hint 


4. 
Which statistic is misleading in the following set of test scores? 2, 85, 87, 88, 89 


A. 
mean 
B. 
upper quartile 


C. 
mode 
D. 
median 


Hint 


5. 
Which statistic gives the most accurate information for the following set of test scores? 2, 85, 87, 88, 89 


A. 
mean 
B. 
median 


C. 
range 
D. 
mode 


Hint 


6. 
Which numbers are ordered from least to greatest? 


A. 
50, 35, 32, 32, 10, 5, 8 


B. 
10, 8, 5, 32, 32, 35, 50 


C. 
–8, 5, 10, 32, 32, 35, 50 


D. 
–5, 8, 10, 32, 32, 35, 50 


Hint 


7. 
Which addition problem is modeled? 





A. 
3 + 5 = 8 
B. 
–3 + 5 = 2 


C. 
3 + (5) = 2 
D. 
3 + (5) = 2 


Hint 


8. 
Solve x = 6(7). 


A. 
42 
B. 
1 


C. 
13 
D. 
42 


Hint 


9. 
What is the first step in solving 4x – 3 = 9? 


A. 
Add 3 to each side of the equation. 


B. 
Subtract 3 from each side of the equation. 


C. 
Divide each side of the equation by 4. 


D. 
Divide each side of the equation by –3. 


Hint 


10. 
Write 7 more than w is 25 as an algebraic equation. 


A. 
7 = 25 + w 
B. 
w – 7 = 25 


C. 
w + 7 = 25 
D. 
7w = 25 


Hint 


11. 
The table below lists four solutions of y = 3x – 2.Find the missing value. 





A. 
–1 
B. 
–5 


C. 
–2 
D. 
–4 


Hint 


12. 
The median is the __________ of a set of numbers. 


A. 
most frequent number 
B. 
highest number 


C. 
middle number 
D. 
arithmetic average 


Hint 


13. 
Find the absolute value of 0. 


A. 
∞ 
B. 
0 


C. 
1 
D. 
2 


Hint 


14. 
Evaluate x – y if x = 8 and y = 5. 


A. 
3 
B. 
3 


C. 
13 
D. 
13 


Hint 


15. 
Evaluate rst if r = 3, s = 2, and t = 8. 


A. 
48 
B. 
24 


C. 
24 
D. 
48 


Hint 


16. 
Solve 5r  7 = 38. 


A. 
14 
B. 
5 


C. 
9 
D. 
6 


Hint 


17. 
Solve 10 – 6s = 32. 


A. 
7 
B. 
5 


C. 
7 
D. 
5 


Hint 


18. 
The Mojave Desert in southern California is 15,000 square miles. The Sahara Desert in northern Africa is about 233 times larger than the Mojave Desert. How big is the Sahara Desert? 


A. 
3.5 × 10^{6} sq mi 
B. 
3.5 × 10^{3} sq mi 


C. 
3.5 × 10^{4} sq mi 
D. 
3.5 × 10^{5} sq mi 


Hint 


19. 
Make a boxandwhisker plot of the duration of ten recent solar eclipses listed in the table. 





A. 



B. 



C. 



D. 



Hint 


20. 
Make a histogram to show the number of hours people in the survey sleep. 





A. 

B. 



C. 

D. 



Hint 


