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Following table shows the weights of 12 ...

Following table shows the weights of 12 students: Weight (in kgs): 67 70 72 73 75 No. of Students: 4 3 2 2 1 Find the mean weight.

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Mean`=((67xx4)+(70xx3)+(72xx2)+(73xx2)+(75xx1))/(4+3+2+2+1)`
Mean`=843/12`
Mean`=70.25kg`
Hence, the mean weight is `70.25kg`.
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