Math 227 - Statistics » Winter 2021 » Basic Algebra Quiz
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Question #1
Round 34.7 to the next whole number
A.
34
B.
30
C.
33
D.
35
Question #2
Round 4.496 to two decimal number
A.
4.50
B.
4.40
C.
4.00
D.
5.00
Question #3
75% of 20 data is how many data
A.
20
B.
14
C.
15
D.
10
Question #4
60% of 30 students is how many students
A.
18
B.
15
C.
10
D.
12
Question #5
Prof. Lee has 50 students in her statistics class. 36 students has a cell phone. What proportion of students who have a cell phone. Write your answer in decimal form.
A.
0.65
B.
0.80
C.
0.75
D.
0.72
Question #6
Prof. Lee has 50 students in her statistics class. 40 students has a cell phone. What percent of students who have a cell phone.
A.
12.5%
B.
26.7%
C.
20%
D.
80%
Question #7
Find the average of 20, 25, 50, 40
A.
35.50
B.
33.75
C.
33.85
D.
33.15
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