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{"sheet":"Zadanie 1","index":0,"n_rows":9,"n_cols":9,"rows_kept":9,"flags":["formulas_cached_only"]}
["X(i)","X(i+1)","Środki przedziałów","N(i)","Skumu-lowane",null,"Wkłady do średniej","Wkłady do SD"]
[10,14,12,8,8,null,32,400]
[14,18,16,16,24,null,64,16]
[18,22,20,32,56,null,128,784]
[22,26,24,20,76,null,80,16]
[26,30,28,14,90,null,56,64]
[{"$nulls":5},"Suma-->",360,1280]
[{"$nulls":3},"Połowa-->",45,"Średnia->",18,{"v":8.207826816681232,"d":"8.2"},"<-- Odch. Std"]
[{"$nulls":3},"do mediany"]

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["i","Cena X(i)","Popyt Y(i)",null,"Ceny do prostej regrsji","Popyt do prostej regresji",null,"Wkłady do kowariancji","Wkłady do wariancji"]
[1,8,42,null,8,41.78125,null,-48,36]
[2,9,40,null,12,36.59375,null,-30,25]
[3,12,37,null,16,31.40625,null,-6,4]
[4,13,36,null,20,26.21875,null,-2,1]
[5,14,34,null,24,21.03125,null,0,0]
[6,15,32,null,28,15.84375,null,-2,1]
[7,17,30,null,32,10.65625,null,-12,9]
[8,18,28,null,36,5.46875,null,-24,16]
[9,20,27,null,40,0.28125,null,-42,36]
[null,126,306,"<----Sumy",44,-4.90625,null,-166,128]
[null,14,34,"<---Średnie"]
[{"$nulls":4},4,"Parametr a prostej regresji --->",null,null,-1.296875]
[{"$nulls":5},"Parametr b prostej regresji---->",null,null,52.15625]
[]
[{"$nulls":5},"Regresja","Y = ",-1.296875,"* X +",52.15625]