676. Sonlar qatorining o'zgarish oralig'i, o'rta arifmetigi, medianasi va modasini toping: a) 32; 13; 12; 13, 45. b) 5,1; 4,2; 9,1; 0,3; 7,3. d) 9,5; 13,7; 0; 27,3; 9,5.​