4. Misol ishlash Kichik korxonalarning yillik tovar oboroti va muomala ҳarajatlarining nisbiy darajasi to’g’risida quyidagi ma’lumotlar keltirilgan:
Yillik tovar oboroti, mln.so’m
5.0
6.0
7.0
8.0
9.0
10.0
Muomala ҳarajatlarining nisbiy darajasi,%
25,0
23,0
22,0
22,5
22,2
22,0
Jadval ma’lumotlariga asosan tovar oboroti va muomala ҳarajatlarining nisbiy darajasi o’rtasidagi bog’lanishni giperbola tenglamasida tasvirlang va xulosa qiling.
13-variant 1-topshiriq. Savollarga javob yozing
1.Regressiya tenglamasining ahamiyatliligini baholash uchun qanaqa
mezondan foydalaniladi va formulasini yozing ____________________________________________________________________________________________________________________________________ 2.Korrelyatsiya indeksi nimani bildiradi va formulasini yozing____________________________________________________________________________________________________________
Egri chiziqli va to’g’ri chiziqli,ikkinchi tarkibli parabloning regressiya tenglamalarini yozing_____________________________________________________________________________________________________________________________
3.Nazariy korrelyatsion munosabat koeffitsiyenti nimani bildiradi va formulasini yozing ____________________________________________________________________________________________________________________________________ 4.Ekonometrika sohasida Nobel mukofotini olgan iqtisodchilarni yozing____________________________________________________________________________________________________________________________________________________________________________________________