1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Mathematics
Multinomial Expansion
The variance ...
Question
The variance of first
50
even natural numbers is
A
833
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
833
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
437
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
437
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is
A
833
σ
2
=
(
Σ
x
2
i
n
)
−
¯
x
2
¯
x
=
∑
50
r
=
1
2
r
50
=
51
σ
2
=
∑
50
r
=
1
4
r
2
50
−
(
51
)
2
=
833
Suggest Corrections
0
Similar questions
Q.
The variance of first
50
even natural numbers is:
Q.
The variance of first
50
even natural numbers is:
Q.
Assertion :The variance of first
n
even natural numbers is
n
2
−
1
4
. Reason: The sum of first
n
natural even numbers is
n
(
n
+
1
)
and the sum of squares of first
n
natural numbers is
n
(
n
+
1
)
(
2
n
+
1
)
6
Q.
State the following statement is True or False
The variance of first
n
even natural numbers is
n
2
−
1
4
Q.
Statement-1 : The variance of first n even natural numbers is
n
2
−
1
4
Statement-2 : The sum of first n natural numbers is
n
(
n
+
1
)
2
and The sum of squares first n natural numbers is
n
(
n
+
1
)
(
2
n
+
1
)
6
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Beyond Binomials
MATHEMATICS
Watch in App
Explore more
Multinomial Expansion
Standard XII Mathematics
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Solve
Textbooks
Question Papers
Install app