Srednia arytmetyczna liczb6,12,8,x,3,4,6,8,8, jest równa 7 Olicz medianę podanego zestawu liczb .
(2*6+3*8+4+3+12+x)/9=7
(12+24+19+x)/9=7
(55+x)/9=7
55+x=63
x=8
3,4,6,6,8,8,8,8,12
mediana - 8
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(2*6+3*8+4+3+12+x)/9=7
(12+24+19+x)/9=7
(55+x)/9=7
55+x=63
x=8
3,4,6,6,8,8,8,8,12
mediana - 8