

1. 
2,561 mm = ______m 


A. 
2.561 
B. 
25.61 


C. 
2,561,000 
D. 
0.2561 


Hint 


2. 
What is the interval? 





A. 
10 
B. 
50 


C. 
51100 
D. 
9 


Hint 


3. 
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. 
97 
B. 
100 


C. 
93 
D. 
80 


Hint 


4. 
If the number 178,651 is rounded to 179,000 and plotted on a stem and leaf plot as 179, how would you plot 151,205? 


A. 
152 
B. 
1512 


C. 
151 
D. 
115 


Hint 


5. 
Which is the correct boxandwhisker plot for the quiz scores? 





A. 



B. 



C. 



D. 



Hint 


6. 
Evaluate x + 5y if x = 12 and y = 9. 


A. 
153 
B. 
57 


C. 
47 
D. 
71 


Hint 


7. 
In physics, the number measures the force of gravity between two objects when a and b each stand for the mass one of the objects and d stands for the distance between them. Find the force of gravity when a = 5, b = 8, and d = 2. 


A. 
10 
B. 
20 


C. 
5 
D. 
40 


Hint 


8. 
Evaluate y^{3} if y = 4. 


A. 
12 
B. 
43 


C. 
64 
D. 
16 


Hint 


9. 
Write 1,360,000,000,000 in scientific notation. 


A. 
0.136 × 10^{13} 
B. 
1.36 × 10^{13} 


C. 
13.6 × 10^{12} 
D. 
1.36 × 10^{12} 


Hint 


10. 
Choose an appropriate scale for the data 69, 72, 121, 81, 98. 


A. 
40 to 100 
B. 
70 to 100 


C. 
65 to 125 
D. 
70 to 120 


Hint 


11. 
Are there any clusters in this data? 





A. 
Yes, 1115. 
B. 
Yes, 58 and 1418. 


C. 
Yes, 520. 
D. 
No, there are no clusters. 


Hint 


12. 
Find the mean of {15, 7, 9, 25, 4}. 


A. 
13 
B. 
9 


C. 
12 
D. 
10 


Hint 


13. 
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. 
mean 
B. 
median 


C. 
range 
D. 
mode 


Hint 


14. 
The prices of a shirt, before tax, in ten different department stores are as follows: $17.99, $21.99, $14.99, $13.99, $22.99, $21.99, $19.99, $17.99, $24.99, and $18.99. If you were to create a frequency table of this data, how many department stores would fall into the interval $20.00 to $21.99? 


A. 
2 
B. 
3 


C. 
4 
D. 
1 


Hint 


15. 
Evaluate j  k if j = 10 and k = 2. 


A. 
5 
B. 
12 


C. 
8 
D. 
20 


Hint 


16. 
A steak dinner including filet mignon, a baked potato, and green beans costs $20. A slice of apple pie can be added for $6 more. How much would it cost a family of 5 to each have a steak dinner and apple pie? 


A. 
$106 
B. 
$50 


C. 
$26 
D. 
$130 


Hint 


17. 
Choose the sequence that is geometric. 


A. 
8, 7, 6, 5, … 
B. 
1, 2, 6, 24, … 


C. 
4, 0.8, 0.16, 0.032, … 
D. 
1.2, 1.8, 2.4, 3.0, … 


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^{4} sq mi 


C. 
3.5 × 10^{3} 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. 
The graphs below show the number of minutes spent on the phone. Which graph would you use to determine how many calls were between 6 and 20 minutes? 


A. 

B. 



C. 

D. 



Hint 


