Fermi
·
Concept Library
·
Courses
·
Books
·
Problems
·
Simulations
·
Math Wiki
·
High School
Fermi
›
Problems
Mathematics
Mathematics
Problem
A constant function
y
=
a
y=a
y
=
a
is used to approximate the three values
{
4
,
8
,
10
}
\{4,8,10\}
{
4
,
8
,
10
}
by minimizing the total squared error
E
(
a
)
=
∑
i
=
1
3
(
y
i
−
a
)
2
E(a)=\sum_{i=1}^{3}(y_i-a)^2
E
(
a
)
=
∑
i
=
1
3
(
y
i
−
a
)
2
. What value of
a
a
a
yields the least total squared error? a)
8
8
8
b)
60
\sqrt{60}
60
c)
22
3
\dfrac{22}{3}
3
22
d)
320
3
\sqrt[3]{320}
3
320
Browse the problem library