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Question
In History project, marks out of 20 were awarded to 8 students. The marks were as shown below:
14, 16, 18, 14, 16, 14, 12, 16
Find the mean marks.
Sum
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Solution
Total marks awarded to 8 students
= 14 + 16 + 18 + 14 + 16 + 14 + 12 + 1
= 120
Mean marks
= `(120)/(8)`
= 15.
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Properties of Mean
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