Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
Show that adding a constant
k
k
k
to every observation
x
1
,
x
2
,
…
,
x
n
x_1, x_2, \dots , x_n
x
1
,
x
2
,
…
,
x
n
of a data set does not change its variance.
Browse the problem library