The marks obtained by eleven students of a class are given below, find the mean , median and the mode for the same data. 23 , 14 , 15 , 20 , 18 , 12 , 25 , 23 , 9 , 16 ,23.
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Arrange the no.s in ascending order:
9, 12, 14, 15, 16, 18, 20, 23, 23, 23, 25
Mean= sum of observations/no. of observations.
= 9+12+14+15+16+18+20+23+23+23+25/11
= 198/11
= 18
Median= 18
Mode= 23
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