in an examination a student obtained 5,8,7,11,13,10,12,13,16,and 16 marks out of 20 marks find the mean of the marks
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Mean = sum of observations/number of observations
Mean = (5 + 8 + 7 + 11 + 13 + 10 + 12 + 13 + 16 + 16)/10
Mean = 111/10
Mean = 11.1
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