WBJEE SERIES Mathematics
Variance And Standard Deviation
1 previous year questions.
Volume: 1 Ques
Yield: Medium
High-Yield Trend
1
2015 Chapter Questions 1 MCQs
01
PYQ 2015
medium
mathematics ID: wbjee-20
The variance of first natural numbers is
1
133/4
2
279/12
3
133/2
4
399/4