Question

Conception about independent and identically distribued in the real life explanation, for example assume the human...

Conception about independent and identically distribued

in the real life explanation, for example assume the human height is i.i.d, then random variable E[X_bar1]=E[X_bar2]=...E[X_barn] and

X_bar=Sn/n, Sn=X1+X2...+Xn

so we draw one person, assume his height is 5ft7 then we draw 2 people, their average height will be 5ft 7, we draw 10 people and their average height is 5ft7?? is this correct???

Please correct my conception if I am not making sense and follow the comment as well

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