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Math Problems
Precalculus
Variance and standard deviation
Use technology to construct the confidence intervals for the population variance
σ
2
\sigma^{2}
σ
2
and the population standard deviation
σ
\sigma
σ
. Assume the sample is taken from a normally distributed population.
\newline
c
=
0.99
,
s
=
33
,
n
=
16
c=0.99, s=33, n=16
c
=
0.99
,
s
=
33
,
n
=
16
\newline
The confidence interval for the population variance is
□
\square
□
, ). (Round to two decimal places as needed.)
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Given the dara below, compute for the iff.
\newline
a.
x
ˉ
\bar{x}
x
ˉ
\newline
b.
x
~
\tilde{x}
x
~
\newline
c.
x
^
\hat{x}
x
^
\newline
f.
R
R
R
\newline
g.
M
A
D
M A D
M
A
D
\newline
d.
θ
1
\theta_{1}
θ
1
\newline
h.
I
Q
R
I Q R
I
QR
\newline
e.
Q
3
Q_{3}
Q
3
\newline
i. variance
\newline
j. standard deviation
\newline
23
4
6
7
8999
9
10
13
15
18
\begin{array}{llllllllllllll}23 & 4 & 6 & 7 & 8999 & 9 & 10 & 13 & 15 & 18\end{array}
23
4
6
7
8999
9
10
13
15
18
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