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 sigmaσ. It is reasonable to assume that a simple random sample has been selected from a population with a normal distribution. Platelet Counts of Women 98% confidence; nequals=27, sequals=65.7

Answer #1

df = 27 - 1 = 26

At 98% confidence interval the critical values are = 45.642

= 12.198

The 98% confidence interval for is

sqrt((n - 1)s^2/) < < sqrt((n - 1)s^2/)

= sqrt(26 * (65.7)^2/45.642) < < sqrt(26 * (65.7)^2/12.198)

= 49.59 < < 95.92

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.
Platelet Counts of Women
99%
confidence;
nequals=29
sequals=65.5

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 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=30, sequals=0.27 mg.

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 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...

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. Platelet Counts of Women 99% confidence;
nequals23, sequals65.4.

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.
Platelet Counts of Women 99% confidence; nequals23,
sequals65.1.

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.
Platelet Counts of Women 80% confidence; n = 25, s =
65.9.
df =
χ2L (chi Subscript Upper L Superscript 2) =
XR2...

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. Platelet Counts of Women 95% confidence;
n=26, s=65.9

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 99%
confidence; n = 29, s = 0.29 mg.
df = ?
(Type a whole number.)
2χ2L = ?
(Round to...

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