SOLUTION: The table below shows the scores of students in a certain exam of a class of size 20.
Scores
30
45
50
55
Number of students
6
4
4
6
The average score of the class was
Algebra.Com
Question 893095: The table below shows the scores of students in a certain exam of a class of size 20.
Scores
30
45
50
55
Number of students
6
4
4
6
The average score of the class was
Answer by novice(7) (Show Source): You can put this solution on YOUR website!
here , the average is calculated as below :
30 6 180
45 4 180
50 4 200
55 6 330
---------------
total 20 890
---------------
average=780/20=44.5
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