Math 227 - Statistics » Winter 2021 » Basic Algebra Quiz

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Question #1
Round 34.7 to the next whole number
A.   30
B.   35
C.   33
D.   34
Question #2
Round 4.496 to two decimal number
A.   4.50
B.   4.40
C.   5.00
D.   4.00
Question #3
75% of 20 data is how many data
A.   10
B.   20
C.   15
D.   14
Question #4
60% of 30 students is how many students
A.   12
B.   10
C.   18
D.   15
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.   0.72
C.   0.80
D.   0.75
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.   80%
B.   26.7%
C.   12.5%
D.   20%
Question #7
Find the average of 20, 25, 50, 40
A.   33.15
B.   33.85
C.   33.75
D.   35.50

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