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What is mean? Give an example …

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What is mean? Give an example to describe it.

    • Posted by Shravani Hatwar 5 years, 4 months ago

    CBSE > Class 07 > Mathematics
    • 1 answers

    Gaurav Seth 5 years, 4 months ago

    Mean is an average of the given numbers: a calculated central value of a set of numbers. In simple words, it is the average. 

    For example, in a class there are 20 students and they have secured a percentage of: 88,82,88,85,84,80,81,82,83,85,84,74,75,76,89,90,89,80,82,83. Find the average of percentage obtained by the class.

    Solution: Average = Total of percentage obtained by 20 students in class/Total number of students

    Avg = [88+82+88+85+84+80+81+82+83+85+84+74+75+76+89+90+89+80+82+83]/20

    Avg.=1660/20 = 83

    Hence, the average of percentage got by each student in class is 83%.

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