Report - E:/VYUKA/geograf/predn/Geografbrichnac/skola/statistika.pdf · 2006. 3. 17. · vìk matek {tøídní èetnosti k = 7 interval x∗ j nj fj = nj/n Nj Nj/n do 20 19 5 0,051 21 a¾

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