waht is mean- maths

For example,  there are five boys whose ages are following 15yrs, 12 yrs, 13 yrs, 16 yrs and 14 yrs

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MEAN=

= SUM OF ALL OBSERVATIONS

NO.OF OBJECTS.

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MEAN of given DATA=SUM OF ALL OBSERVATIONS

TOTAL NO. OF OBSERVATIONS

  • 0

MEAN of given DATA=SUM OF ALL OBSERVATIONS

TOTAL NO. OF OBSERVATIONS

  • 0
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