Question

Construct a? 99% confidence interval to estimate the population mean using the data below. x?=25 , s=4.5 , n=22 , N=180. The 99% confidence interval for the population mean is? (Round to two decimal places)

Answer #1

Construct a 99% confidence interval to estimate the population
mean using the data below.
x over bar equals 25
s equals 3.5
n equals 23
N equals 180
The 99% confidence interval for the population mean is
(____,____)

Construct a 99% confidence interval to estimate the population
mean using the data below.
x overbarx=15
s=5.6
n=12
What assumptions need to be made about this population?
The 99% confidence interval for the population mean is from a
lower limit of ____ to an upper limit of ____

Construct a 90% confidence interval to estimate the population
mean using the data below.
x? = 90
? = 10
n = 30
N = 300
The? 90% confidence interval for the population mean is?
(_,_).

If
X = 135, o = 26, and n= 38, construct a 99% confidence interval
estimate of the population mean, p (Round to two decimal places as
needed.)

Construct an 80% confidence interval to estimate the population
mean when x overbarequals139 and s = 29 for the sample sizes
below.
a) n=30 b) n=60 c) n=100
a) The 80% confidence interval for the population mean when
n=30 is from a lower limit --- of nothing to an upper limit of----
nothing. (Round to two decimal places as needed.)
b) The 80% confidence interval for the population mean when
n=60 is from a lower limit--- of nothing to an...

Construct a 95% confidence interval to estimate the population
mean when x=122 and s =28 for the sample sizes below.
a) n=30 b) n=70 c) n=90
a) The 95% confidence interval for the population mean when
n=30 is from a lower limit of to an upper limit of. (Round to two
decimal places as needed.)
b) The 95% confidence interval for the population mean when
n=70 is from a lower limit of to an upper limit of . (Round to...

Construct a 98% confidence interval to estimate the population
mean when x overbar =64 and s =12.8 for the sample sizes
below.
a) n= 21
b) n=41
c) 56
a) The 98% confidence interval for the population mean when
n=21 is from a lower limit of _______to an upper limit of
________.
(Round to two decimal places as needed.)
b) The 98% confidence interval for the population mean when
n=41 is from a lower limit of _______to an upper...

Construct a 90% confidence interval to estimate the population
mean when x =62 and s =13.5 for the sample sizes below.
a)
n=20
b)
n=40
c)
n=60
a) The 90% confidence interval for the population mean when
n=20 is from a lower limit of nothing to an upper limit of nothing.
(Round to two decimal places as needed.)

Assuming that the population is normally distributed, construct
a
99 %99%
confidence interval for the population mean, based on the
following sample size of n equals 5.n=5.1, 2, 3,
44,
and
2020
In the given data, replace the value
2020
with
55
and recalculate the confidence interval. Using these results,
describe the effect of an outlier (that is, an extreme value) on
the confidence interval, in general.
Find a
99 %99%
confidence interval for the population mean, using the formula...

Construct a 95% confidence interval to estimate the population
proportion using the data below. x=23 n=80 N=500 The 95%
confidence interval for the population proportion is
The 95% confidence interval for the population proportion is
:

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