Question

Find the critical values chi squared Subscript Upper L and chi squared Subscript Upper R for the given confidence level c and sample size n. cequals0.9, nequals22 chi squared Subscript Upper Lequals nothing (Round to three decimal places as needed.) chi squared Subscript Upper Requals nothing (Round to three decimal places as needed.)

Answer #1

Solution :

Given that,

n = 22

df = n - 1 = 22 - 1 = 21

At 90% confidence level the z is ,

= 1 - 90% = 1 - 0.90 = 0.10

/ 2 = 0.10 / 2 = 0.05

1 - / 2 = 1 - 0.05 = 0.95

^{2}_{L}
=
^{2}_{
/ 2} = ^{2}_{0.05}
= 32.671

^{2}_{R}=
^{2}_{1 -} _{
/ 2} = ^{2}_{0.95}
= 11.591

27. Find the critical values chi squared Subscript Upper L and
chi squared Subscript Upper R for the given confidence level c and
sample size n. cequals0.98, nequals23 chi squared Subscript Upper
Lequals nothing (Round to three decimal places as needed.)

Find the critical values chi Subscript Upper R Superscript 2χ2R
and chi Subscript Upper L Superscript 2χ2L for the given confidence
level c and sample size n.
c=0.80, n=17

Find the critical values
chi Subscript Upper R Superscript 2χ2R
and
chi Subscript Upper L Superscript 2χ2L
for the given confidence level c and sample size n.
cequals=0.950.95,
nequals=15

1) Find the critical values chi Subscript Upper R Superscript 2
and chi Subscript Upper L Superscript 2 for the given confidence
level c and sample size n. c 0.90, n=15
2) Use the confidence interval to find the margin of error and
the sample mean. ( left 0.672,0.850 )

Use the given information to find the number of degrees of?
freedom, the critical values chi Subscript Upper L Superscript 2
and chi Subscript Upper R Superscript 2?, and the confidence
interval estimate of sigma. It is reasonable to assume that a
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normal distribution. Nicotine in menthol cigarettes 99?%
?confidence; nequals30?, sequals0.24 mg. LOADING... Click the icon
to view the table of? Chi-Square critical values. dfequals nothing
?(Type a...

Find the critical values chi squared Subscript 1 minus alpha
divided by 2 and chi squared Subscript alpha divided by 2 for a
99% confidence level and a sample size of nequals20.

Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2
and chi Subscript Upper R Superscript 2, and the confidence
interval estimate of sigma. It is reasonable to assume that a
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df = ?
(Type a whole number.)
2χ2L = ?
(Round to...

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and chi Subscript Upper R Superscript 2χ2R, and the confidence
interval estimate of sigma σ.
It is reasonable to assume that a simple random sample has been
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Nicotine in menthol cigarettes 95% confidence; n=25,
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df= [ ] (type a whole number)
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Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2
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interval estimate of sigma. It is reasonable to assume that a
simple random sample has been selected from a population with a
normal distribution.
Nicotine in menthol cigarettes 99% confidence; n=23, s=0.27 mg.
Use the given information to find the number of degrees of
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Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2
and chi Subscript Upper R Superscript 2, and the confidence
interval estimate of sigma. It is reasonable to assume that a
simple random sample has been selected from a population with a
normal distribution. Nicotine in menthol cigarettes 98%
confidence; nequals21, sequals0.28 mg. LOADING... Click the icon
to view the table of Chi-Square critical values. dfequals nothing
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