Question

The weight of six boys are 35kg, 40kg, 35kg,45kg,35kg and 42kg find the mean,mode, median range
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Answer 1

Mean=(35+35+35+42+40+45)÷(6)

=194.5

Answer 2

firstly arranging the data in ascending order

35kg,35kj,35kg,40kg,42kg,45kg

now, mean=sum of all obs. /total no. of obs,

hence, mean=232/6

hence, mean=232/6 =38.66

now total no. of obs. =n=6(even)

hence, medain=(n/2)thobs.+(n+1/2)th obs

(6/2)th obs. +(6+1/2)th obs.

3rd obs.+4th obs.

=35kg+40kg

=75kg

now mode= 35kg(since 35 is occuring the ma,ximum no. of times I. e. 3).

range=highest obs. -lowest obs

=>45kg-35kg

range =>10kg