The high school teacher congratulates students for studying, claiming most of them ended up on plus side of "bell curve" following recent test; but there is no way a majority of them could wind up either side (plus or minus) because a bell curve is a graphic way of demonstrating the norm (in this case, test scores) in the middle, with upper or lower scores trailing off equally on either side - hence the "bell" designation.
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05/03/2025 alle ore 07:31
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