Question
In: Math
A simple random sample with n=56 provided a sample mean of 22.5 and a sample standard...
A simple random sample with n=56 provided a sample mean of 22.5 and a sample standard deviation of 4.3.
a. Develop a 90% confidence interval for the population mean (to 1 decimal).
( , )
b. Develop a 95% confidence interval for the population mean (to 1 decimal).
( , )
c. Develop a 99% confidence interval for the population mean (to 1 decimal).
( , )
Solutions
milcah answered 6 months agoRelated Solutions
A simple random sample with n=56 provided a sample mean of 22.5 and a sample standard...
A simple random sample with n=56 provided a sample mean of 22.5
and a sample standard deviation of 4.4
a.Develop a 90% confidence interval for the populationmean.
b.Develop a 95% confidence interval for the populationmean.
c.Develop a 99% confidence interval for the populationmean.
d.What happens to the margin of error and the confidenceinterval
as the confidence level is increased?
A simple random sample with n=54 provided a sample mean of 22.5 and a sample standard...
A simple random sample with n=54 provided a
sample mean of 22.5 and a sample standard
deviation of 4.2.
a. Develop a 90% confidence
interval for the population mean (to 1 decimal).
( ______ , ______ )
b. Develop a 95% confidence
interval for the population mean (to 1 decimal).
( ______ , _______ )
c. Develop a 99% confidence
interval for the population mean (to 1 decimal).
( ______ , _______ )
,
d. What happens to the margin...
A simple random sample of n = 54 provided a sample mean of 22.5 and a...
A simple random sample of n = 54 provided a sample mean of 22.5
and a sample standard deviation of 4.4.
Develop a 90% confidence interval for the population mean.
(Round to two decimal places) __________and__________
Develop a 95% confidence interval for the population mean.
(Round to two decimal places) __________and__________
Develop a 99% confidence interval for the population mean.
(Round to two decimal places) __________and__________
A simple random sample with n=56 provided a sample mean of 24 and a sample standard...
A simple random sample with n=56 provided a sample mean of 24
and a sample standard deviation of 4.6.
a. Develop a 90% confidence interval for the population mean (to
1 decimal). ,
b. Develop a 95%confidence interval for the population mean (to
1 decimal). ,
c. Develop a 99% confidence interval for the population mean (to
1 decimal). ,
d. What happens to the margin of error and the confidence
interval as the confidence level is increased?
A simple random sample with n=56 provided a sample mean of 23.5 and a sample standard...
A simple random sample with n=56 provided a sample mean of 23.5
and a sample standard deviation of 4.2
Develop a 90 % confidence interval for the population mean (to
1 decimal).
Develop a 95 % confidence interval for the population mean (to
1 decimal)
Develop a 99 % confidence interval for the
population mean (to 1 decimal).
2. A simple random sample with n = 54 provided a sample mean of 22.5 and...
2.
A simple random sample with n = 54 provided a sample mean of
22.5 and a
sample standard deviation of 4.4.
a.
Develop a 90% confidence interval for the population mean.
b.
Develop a 95% confidence interval for the population mean.
c.
Develop a 99% confidence interval for the population mean.
d.
What happens to the margin of error and the confidence interval
as the
confidence level is increased?
A simple random sample with n = 56 provided a sample mean of 29.5 and a...
A simple random sample with
n = 56
provided a sample mean of 29.5 and a sample standard deviation
of 4.4.
A. Develop a 90% confidence interval for the population
mean.
B. Develop a 95% confidence interval for the population
mean.
C. Develop a 99% confidence interval for the population
mean.
A simple random sample with n=56 provided a sample mean of n= 23.5 and a sample...
A simple random sample with n=56 provided a sample mean of n=
23.5 and a sample standard deviation of 4.3.
a. Develop a confidence interval for
the population mean (to 1 decimal).
____,___
b. Develop a confidence interval for
the population mean (to 1 decimal).
___,___
c. Develop a confidence interval for
the population mean (to 1 decimal).
___, ___
d. What happens to the margin of error and the
confidence interval as the confidence level is increased?
- Select your answer -(They...
A simple random sample with n = 56 provided a sample mean of 26.5 and a sample standard deviation of 4.4.
A simple random sample with
n = 56
provided a sample mean of 26.5 and a sample standard deviation of 4.4. (Round your answers to one decimal place.)
(a)
Develop a 90% confidence interval for the population mean.
to
(b)
Develop a 95% confidence interval for the population mean.
to
(c)
Develop a 99% confidence interval for the population mean.
to
(d)
What happens to the margin of error and the confidence interval as the confidence level is increased?...
A simple random sample with n=54 provided a sample mean of 21.0 and a sample standard...
A simple random sample with n=54 provided a sample
mean of 21.0 and a sample standard deviation of 4.7 .
a. Develop a 90% confidence interval for the
population mean (to 1 decimal).
,
b. Develop a 95% confidence interval for the
population mean (to 1 decimal).
,
c. Develop a 99% confidence interval for the
population mean (to 1 decimal).
,
d. What happens to the margin of error and the
confidence interval as the confidence level is increased?...
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