B-Tree
Quick practice
Question 1 of 5
Stratified sampling reduces variance primarily because:
A
Population is random
B
Sample size increases
C
Strata are internally homogeneous
D
Sampling fraction is high
Get unlimited practice with GATE - CSIT, DSAI & Interview Preparation subscription
Boost your performance with adaptive practice tests
Practice every concept in the syllabus
Compare your speed and accuracy with your peers
Download the app and practice on the go