WorksheetsAccuplacer Prac. Ex (Arithmetic Review - Ch.6)
Total questions: 6
Worksheet time: 6mins
Name
Class
Date
1.
Consider the set of three numbers (41, 17, 23). By how much do the mean and median of the set differ?
a)
4
b)
6
c)
23
d)
27
2.
What is the mean of 1 1/2, 3 2/3, 6 3/4, and 4 1/3?
a)
4
b)
4 1/16
c)
4 1/8
d)
4 3/8
3.
Four numbers have a median of 15. Three of the numbers 7, 25, and 12. Which of the following is the fourth number?
a)
13
b)
15
c)
18
d)
21
4.
In a set of five number, four of the numbers have a sum of 76. The mean of the five number is 17. What is the fifth number?
a)
9
b)
15.2
c)
17
d)
19
5.
Jason has to take four tests in his class. His final grade is determined by the mean of those four tests. On the first three tests, he got an 83 an 89, and a 95. What will he need to get on the final test in order to get at least a 90 in the class?
a)
89
b)
90
c)
92
d)
93
6.
Iman works for 35 hours each week for three weeks. For the fourth week, she works 40 hours. Over the course of the four weeks, what is the average number of hours she works each week?
a)
36 hours, 15 minutes
b)
36 hours, 30 minutes
c)
36 hours, 45 minutes
d)
37 hours, 15 minutes
100 %
