Ðàññ÷èòàòü àáñîëþòíûå è îòíîñèòåëüíûå ïîêàçàòåëè âàðèàöèè. Ñäåëàòü âûâîä.

Òàáëèöà 7

 

Âåëè÷èíà ïðèáûëè /ìëðä.ðóá. Êîëè÷åñòâî áàíêîâ, /fi/ X’i X’i × fi X’i - X | X’i – X | × fi (X’i – X)2 × fi
1,898 – 3,095 2,497 27,462 -21,297 234,264 4989,067
3,095 – 4,292 3,694 18,468 -20,100 100,499 2020,000
4,292 – 9,079 6,686 33,428 -17,108 85,539 1463,376
9,079 – 16,259 12,669 63,345 -11,124 55,621 618,745
16,259 – 269,289 142,774 571,096 118,981 475,923 56625,675
Èòîãî: 168,319 713,798 49,352 951,846 65716,863

 

=

31,728

2= 2190,562(ìëðä.ðóá)

46,803