Pls help ..Test tomorrow ..
Q19) <ii)
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Step-by-step explanation:
If we add weights of 2 students
X+ X= 2X
Mean= 2X/2 = X
Therefore, the mean will be equal to their weights only
Hope i helped
prakhar1867:
But , I have a doubt there is already given a weight , then will there be no change in the mean of the given weight after we add the weight of these 2 students??? Pls Help
No, there wouldn't be if you add equal numbers like 70+70,805+805,like that...
ok Thanks
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