Question

Use the given information to find the number of degrees of freedom, the critical values chi Subscript Upper L Superscript 2χ2L 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 selected from a population with a normal distribution.

Nicotine in menthol cigarettes 95% confidence; n=25, s=0.22m

df= [ ] (type a whole number)

chi Subscript Upper L Superscript 2χ2L= [ ] (round to THREE decimal places as needed)

chi Subscript Upper R Superscript 2χ2R= [ ] (round to THREE decimal places as needed)

The confidence interval estimate of σ is [ ]mg < σ < [ ]mg (round TWO decimal places as need)

Answer #1

n = 25

s = 0.22

= 0.05

df = 25 - 1 = 24

Confidence interval:

Low Side:

From Table;

Low Side:

High Side:

From Table;

High Side:

So,

Confidence Interval:

**0.17 < <
0.31**

Answers to questions asked:

df = 24

Confidence Interval:

**0.17 < <
0.31**

Use the given information to find the number of degrees of
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interval estimate of sigma. It is reasonable to assume that a
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normal distribution. Nicotine in menthol cigarettes 99%
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df = ?
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2χ2L = ?
(Round to...

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 2χ2L
and
chi Subscript Upper R Superscript 2χ2R,
and the confidence interval estimate of
sigmaσ.
It is reasonable to assume that a simple random sample has been
selected from a population with a normal distribution.Nicotine in
menthol cigarettes
8080%
confidence;
nequals=2929,
sequals=0.250.25
mg.
LOADING...
Click the icon to view the table of Chi-Square critical
values.
df=
(Type a whole number.)

Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2χ2L
and chi Subscript Upper R Superscript 2χ2R, and the confidence
interval estimate of sigmaσ. It is reasonable to assume that a
simple random sample has been selected from a population with a
normal distribution. Nicotine in menthol cigarettes 95%
confidence;
nequals=27, sequals=0.24mg.
please help, thank you

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.
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sequals0.22 mg.

Use the given information to find the number of degrees of
freedom, the critical values chi Subscript Upper L Superscript 2
χ2L and chi Subscript Upper R Superscript 2 χ2R , and the
confidence interval estimate of sigma σ. It is reasonable to assume
that a simple random sample has been selected from a population
with a normal distribution. Nicotine in menthol cigarettes 95 95 %
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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 99% confidence; n=23, s=0.27 mg.
Use the given information to find the number of degrees of
freedom, the critical values chi...

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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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.
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