Normal chiziqli tenglamalar sistemasining koeffitsiyentlarini hisoblash

Xo‘jaliklar	1 ga mineral o‘g‘itlar (shartli birliklarda), s/ga, x	Paxta hosil-dorligi, s/ga, y	x2	y2	y*x		hosila ishorasi	hosila ishorasi
A	1	2	3	4	5	6	7	8	9
1 - 2 - 3 - 4 - 5 - 6 - 7 -	3 3 4 4 5 6 6	25 20 28 30 31 35 33	9 9 16 16 25 36 36	625 400 784 900 961 1225 1089	75 60 112 120 155 210 198	23,65 23,65 27,29 27,29 30,94 34,59 34,59	- - - - + + +	- - - + + + +	559,32 559,32 744,44 744,44 957,28 1196,4 1196,4
Jami	x=31	y=202	x2=147	y2=5984	xy= 930	202

Bu ma’lumotlarni (10.1) formulaga qo‘yib, normal chiziqli tenglamalar tizimini ushbu ko‘rinishda yozishimiz mumkin.