Mean, Median, Mode, And Range Quiz Questions And Answers
Reviewed by Janaisa Harris
Janaisa Harris, BA-Mathematics|
Mathematics Expert
Review Board Member
Ms. Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher. She is now broadening her educational impact by engaging in curriculum mapping for her county. This endeavor enriches her understanding of educational strategies and their implementation. With a strong commitment to quality education, she actively participates in the review process of educational quizzes, ensuring accuracy and relevance to the curriculum.
, BA-Mathematics
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Questions and Answers
1.
Find the mean in the following numbers:
19, 21, 18, 17, 18, 22, 46
A.
23
B.
16
C.
19
D.
500
E.
None of the above
Correct Answer A. 23
Explanation The mean is calculated by adding up all the numbers and then dividing the sum by the total number of numbers. In this case, the sum of the numbers is 161. Since there are 7 numbers, the mean is 161 divided by 7, which equals 23. Therefore, the correct answer is 23.
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2.
What is the median in the following numbers:
19, 21, 18, 17, 18, 22, 46
A.
15
B.
19
C.
21
D.
22
E.
None of the above
Correct Answer B. 19
Explanation The median is the middle value in a set of numbers when they are arranged in ascending or descending order. If we were to place the numbers in ascending order then they would be 17, 18, 18, 19, 21, 22, and 46. Since there are 7 numbers, the middle value would be the 4th number, which is 19. Therefore, 19 is the median of the given numbers.
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3.
Find the mean in the following numbers:
9, 8, 15, 8, 20
A.
12
B.
16
C.
15
D.
10
E.
None of the above
Correct Answer A. 12
Explanation The mean is calculated by adding up all the numbers in a set and dividing the sum by the total number of values. In this case, the sum of the numbers 9, 8, 15, 8, and 20 is 60. Dividing 60 by 5 (the total number of values) gives us a mean of 12.
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4.
Find the median in the following numbers:
9, 8, 15, 8, 20
A.
20
B.
15
C.
9
D.
22
E.
None of the above
Correct Answer C. 9
Explanation The median is the middle value in a set of numbers when they are arranged in order. In this case, the numbers are 9, 8, 15, 8, and 20. When arranged in order, the numbers become 8, 8, 9, 15, and 20. The middle value is 9, so it is the median.
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5.
Find the mode in the following numbers:
9, 8, 15, 8, 20
A.
15
B.
8
C.
9
D.
20
E.
None of the above
Correct Answer B. 8
Explanation The mode is the number that appears most frequently in a set of numbers. In this case, the number 8 appears twice, which is more than any other number in the set. Therefore, the mode of the given numbers is 8.
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6.
Find the range in the following numbers:
9, 8, 15, 8, 20
A.
12
B.
900
C.
14
D.
15
E.
None of the above
Correct Answer A. 12
Explanation The range is the difference between the highest and lowest values in a set of numbers. In this case, the highest number is 20 and the lowest number is 8. The difference between these two numbers is 12, so the range is 12.
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7.
Find the mean in the following numbers:
36, 38, 33, 34, 32, 30, 34, 35
A.
54
B.
34
C.
74
D.
44
E.
None of the above
Correct Answer B. 34
Explanation The correct answer is 34 because the mean is calculated by adding up all the numbers and then dividing the sum by the total number of numbers. In this case, the sum of the numbers is 272 and there are 8 numbers. When you divide 272 by 8, you get 34. Therefore, the mean of the given numbers is 34.
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8.
Find the median in the following numbers:
36, 38, 33, 34, 32, 30, 34, 35
A.
34
B.
55
C.
23
D.
45
E.
None of the above
Correct Answer A. 34
Explanation The median is the middle value in a set of numbers when they are arranged in order. If we put the numbers in ascending order then it will be 30, 32, 33, 34, 34, 35, 36, and 38. Since there are 8 numbers, the middle value would be the 4th number, which is 34. Therefore, 34 is the median of the given numbers.
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9.
Find the mode in the following numbers:
36, 38, 33, 34, 32, 30, 34, 35
A.
34
B.
38
C.
36
D.
30
E.
None of the above
Correct Answer A. 34
Explanation The mode is the number that appears most frequently in a set of numbers. In this case, the number 34 appears twice, which is more than any other number in the set. Therefore, the mode of the given numbers is 34.
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10.
Find the mean of the following numbers: 2.2, 10.2, 14.7, 5.9, 4.9, 11.1, 10.5
A.
8.5
B.
10.2
C.
5.9
D.
11.1
Correct Answer A. 8.5
Explanation The mean is calculated by adding up all the numbers and then dividing the sum by the total number of numbers. In this case, the sum of the numbers is 2.2 + 10.2 + 14.7 + 5.9 + 4.9 + 11.1 + 10.5 = 59.5. Since there are 7 numbers, the mean is 59.5 divided by 7, which equals 8.5.
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Janaisa Harris |BA-Mathematics|
Mathematics Expert
Ms. Janaisa Harris, an experienced educator, has devoted 4 years to teaching high school math and 6 years to tutoring. She holds a degree in Mathematics (Secondary Education, and Teaching) from the University of North Carolina at Greensboro and is currently employed at Wilson County School (NC) as a mathematics teacher. She is now broadening her educational impact by engaging in curriculum mapping for her county. This endeavor enriches her understanding of educational strategies and their implementation. With a strong commitment to quality education, she actively participates in the review process of educational quizzes, ensuring accuracy and relevance to the curriculum.