3. Find the value of x² for the following values of x:
(a) (-5, -1]
Answers
Answered by
0
Answer
14.041
Step-by-step explanation:
H
o
:
σ
≥
0.14
H
a
:
σ
<
0.14
Left-Tailed
Sample size,
n
=
23
α
=
0.10
The degrees of freedom:
D
f
=
n
−
1
=
22
The critical value of chi-square using excel: =CHIINV(0.90, 22)
χ
2
L
e
f
t
=
χ
2
(
1
−
α
,
d
f
)
=
χ
2
(
1
−
0.10
,
22
)
=
χ
2
(
0.90
,
22
)
≈
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