RS respondents are picked randomly whereas QS respondents have specific characteristics, , RS reduces bias as respondents are random whereas with QS the interviewer chooses who to interview, , QS requires less respondents whereas RS requires a large group to be sampled, .

Ilg'orlar ro'yxati

Vizual uslub

Moslamalar

Namunani almashtirish

)
Tahrirlashni davom ettirish: ?