

1. 
Find the solution of 72 + z = 84 if the value of z can be selected from the set {4, 8, 12, 16}. 


A. 
12 
B. 
4 


C. 
8 
D. 
16 


Hint 


2. 
Evaluate 3^{4}. 


A. 
64 
B. 
81 


C. 
7 
D. 
12 


Hint 


3. 
What is the interval? 





A. 
10 
B. 
9 


C. 
50 
D. 
51100 


Hint 


4. 
How many customer service ratings above 80 did the company receive? 





A. 
12 
B. 
5 


C. 
16 
D. 
2 


Hint 


5. 
Find the mean of {3, 8, 10, 1, 25}. 


A. 
1 
B. 
8 


C. 
9 
D. 
9.4 


Hint 


6. 
The mean is the _______ of a set of numbers. 


A. 
most frequent 
B. 
highest number 


C. 
middle number 
D. 
arithmetic average 


Hint 


7. 
Which interval has the most values? 





A. 
7079 
B. 
1019 


C. 
6069 
D. 
9099 


Hint 


8. 
Solve x = 6(7). 


A. 
13 
B. 
1 


C. 
42 
D. 
42 


Hint 


9. 
Solve x = 28 ÷ 7. 


A. 
4 
B. 
4 


C. 
21 
D. 
21 


Hint 


10. 
Evaluate if x = 7, y = 8, and z = 14. 


A. 
16 
B. 
4 


C. 
4 
D. 
16 


Hint 


11. 
Evaluate x + 5y if x = 12 and y = 9. 


A. 
71 
B. 
153 


C. 
47 
D. 
57 


Hint 


12. 
Solve m  5 = 9. 


A. 
14 
B. 
13 


C. 
15 
D. 
12 


Hint 


13. 
Find the median of {67, 24, 98, 15, 76, 44}. 


A. 
44 
B. 
54 


C. 
67 
D. 
55.5 


Hint 


14. 
In a set of data, if the interquartile range is 8, the upper quartile is at 17, what is the highest number that could be in the data without being an outlier? 


A. 
30 
B. 
50 


C. 
52 
D. 
29 


Hint 


15. 
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 


16. 
Find the next term in the sequence 13, 19, 24, 28, … 


A. 
32 
B. 
31 


C. 
41 
D. 
33 


Hint 


17. 
Evaluate 12^{4}. 


A. 
16,777,216 
B. 
20,736 


C. 
48 
D. 
18,491 


Hint 


18. 
On a full flight from San Antonio to Los Angeles 28 people sat in first class. If 130 were on the flight, how many people sat in coach? 


A. 
108 
B. 
102 


C. 
112 
D. 
158 


Hint 


19. 
The Ride Away Bike Shop has 27 mountain bikes and 34 road bikes. Find the expression that represents the number of tires in the Ride Away Bike Shop. 


A. 
2(27) × 2(34) 
B. 
2(27 + 34) 


C. 
34 + 27 
D. 
27 × 27 + 34 × 34 


Hint 


20. 
Simplify 5(4y). 


A. 
y 
B. 
20y 


C. 
9y 
D. 
9y 


Hint 


