217
c)
iste‟molchilarning didi, oliy ma‟lumotga egaligi, shaxsning jinsi
d)
oliy ma‟lumotga egaligi, ish staji, ishchining maoshi
Regressiya juft deb ataladi:
a) agar bog„lanish funktsiyasi bitta o„zgaruvchidan iborat bo„lsa;
b) agar bog„lanish funktsiyasi bir necha o„zgaruvchilardan iborat bo„lsa;
c) agar bog„lanish funktsiyasi o„zgarmas miqdordan iborat bo„lsa;
d) to„g„ri javob yo„q
Normal tenglamalar tizimi keltirilgan bandni ko„rsating:
a)
t
y
t
a
t
a
y
t
a
a
n
1
0
1
0
b)
y
t
a
t
a
y
t
a
a
n
2
1
0
1
0
c)
t
y
t
a
t
a
y
t
a
a
2
1
0
1
0
d)
t
y
t
a
t
a
y
t
a
a
n
2
1
0
1
0
Variant 9
1. Korrelyatsiya koeffitsientining turlari va o„zgarish intervallari
(korrelyatsiya
koeffitsienti
formulasi, o„rtacha
kvadratik chetlanish, kuchsiz, o„rtacha, zich
bog„lanish, funktsional, to„g„ri va teskari bog„lanish).
