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ID number:374272
 
Author:
Evaluation:
Published: 21.04.2004.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

Nodarbināto Uzņēmuma
i skaits ražošanas XiYi Xi2 Yi2
Xi apjoms Yi
1 50 1210 60500 2500 1464100
2 100 2200 220000 10000 4840000
3 200 2720 544000 40000 7398400
4 300 3115 934500 90000 9703225
5 400 3300 1320000 160000 10890000
6 500 3430 1715000 250000 11764900
7 600 3510 2106000 360000 12320100
8 700 3860 2702000 490000 14899600
9 800 4430 3544000 640000 19624900
10 900 4870 4383000 810000 23716900
11 1000 ?
4550 32645 17529000 2852500 116622125

Aprēķinām korelācijas koeficientu, lai noskaidrotu, vai starp rādītājiem ir sakarība:

r = 0.95

Koeficienta vērtība ir tuvu 1, kas liecina par ciešu pozitīvu sakarību.

Pieņemot ka ir lineāra sakarība Yi = b0 + b1xi, aprēķinām parametrus b0 un b1.

b1 = 3.42 b0 = 1708.27

Pēc lineārās sakarības aprēķinām, kāds varētu būt ražošanas apjoms, ja nodarbināto skaits būs 1000.

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