2. Statistika

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7 одговора [Последњи унос]

10 Новембар, 2008 - 20:25

Nick

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Члан од: 11.04.2008

Sve informacije u vezi predmeta statistika možete da razmenjujete na ovom mestu.... :)

30 Мај, 2011 - 20:29

DACIKA

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Члан од: 30.05.2011

statistika

molim vas treba mi pomoc za jedan zadatak iz statistike, JAKO MI JE VAZNO MOLIM VAS.

U tabeli je dat skup stabla bresaka klasifikovanih prema visini i prinosu:

prinos visina	ispod 170	od 170 do 180	preko 190
ispod 50	10	7	8
od 50 do 60	6	7	8
od 60 do 70	7	8	7
od 70 do 80	5	6	5
preko 80	5	5	5

a) Izracunati uzoracnku srednju vrednost i standarnu devijaciju prinosa bresaka.

b) Sa pragom znacajnosti alfa=0,01 testirati hipotezu o odsustvu linearne korelacije izmedju visine i prinosa bresaka.

c) Naci 90% interval poverenja srednjeg prinosa bresaka.

MOLIM VAS KO ZNA NEKA POMOGNE, OD ZIVOTNE MI JE VAZNOSTI.

22 Децембар, 2011 - 02:59

zxcv

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Члан од: 22.12.2011

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26 Децембар, 2011 - 02:43

lydia

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Члан од: 26.12.2011

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7 Фебруар, 2012 - 07:43

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Члан од: 07.02.2012

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7 Фебруар, 2012 - 07:58

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7 Фебруар, 2012 - 08:04

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