Math 227 - Statistics » Winter 2021 » Basic Algebra Quiz

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

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