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16 Sep 2014, 01:23
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At the end of a term, a group of three students took an exam. The table below presents the scores each student obtained on this exam.
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What is the average (arithmetic mean) score of the group of students on this exam?
A. 25 points
B. 28 points
C. 29 points
D. 30 points
E. 32 points
What is the average (arithmetic mean) score of the group of students on this exam?
A. 25 points
B. 28 points
C. 29 points
D. 30 points
E. 32 points
16 Sep 2014, 01:23
Kudos
Bookmarks
Official Solution:
At the end of a term, a group of three students took an exam. The table below presents the scores each student obtained on this exam.
What is the average (arithmetic mean) score of the group of students on this exam?
A. 25 points
B. 28 points
C. 29 points
D. 30 points
E. 32 points
To calculate the average score for the exam, sum the scores of all students and then divide by the number of students:
The average score = \(\frac{30 + 40 + 14}{3} = 28\).
Answer: B
At the end of a term, a group of three students took an exam. The table below presents the scores each student obtained on this exam.
What is the average (arithmetic mean) score of the group of students on this exam?
A. 25 points
B. 28 points
C. 29 points
D. 30 points
E. 32 points
To calculate the average score for the exam, sum the scores of all students and then divide by the number of students:
The average score = \(\frac{30 + 40 + 14}{3} = 28\).
Answer: B
22 Oct 2023, 12:40
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I've revised the question and solution, incorporating additional details for improved clarity. I trust this makes it more comprehensible.
