Referat yozish (qo’lyozma shaklda kamida 15 varaq) 10 Atamalarga ta’rif yozish yoki test ishlash

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2. 
   “Ekonometrika” tushunchasiga ta’rif bering__________________________
   

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4.Modellashtirish bosqichlariishlari____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
5.Regressiya tenglamasi______________________________________________ _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
4. Misol ishlash
Do’konlarning yillik tovar oboroti va tovar zaҳiralari to’g’risida quyidagi ma’lumotlar berilgan:

Do’konlar	Tovar oboroti, mln. so’m	Tovar zaҳirasi, mln. so’m
1	360	25
2	500	39
3	580	41
4	690	44
5	740	50
6	850	58
7	940	69
8	990	71
9	1030	92
10	1080	88
Jami	7760	577

Jadval ma’lumotlariga asosan do’konlarning tovar oboroti va tovar zaҳiralari o’rtasidagi boғlanishni ikkinchi darajali parabola tenglamasida tasvirlang va uni baholang hamda korrelyatsion nisbat, determinasiya koeffistentini, korrelyastiya indeksini hisoblang.