Question

Assuming that the population is normally distributed, construct a 90 % confidence interval for the population mean, based on the following sample size of n equals 6. 1, 2, 3, 4 comma 5, and 30 In the given data, replace the value 30 with 6 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 90 % confidence interval for the population mean, using the formula or technology. (Round to two decimal places as needed.)

Answer #1

Assuming that the population is normally distributed, construct
a 95 % confidence interval for the population mean, based on the
following sample size of n equals 5.n=5.
1,2,3,4 and 17
In the given data, replace the value 17 with 5 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 95 % confidence interval for the population mean, using
the formula or technology.

Assuming that the population is normally distributed, construct
a 99 % confidence interval for the population mean, based on the
following sample size of n equals 5. 1, 2, 3, 4, and 26 In the
given data, replace the value 26 with 5 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 % confidence interval for the
population mean, using the...

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...

Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean, based on the
following sample size of n=8.
1, 2, 3, 4, 5, 6, 7 and 16
In the given data, replace the value 16 with 8 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 95% confidence interval for the population mean, using
the formula...

Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean for each of the
samples below. Explain why these two samples produce different
confidence intervals even though they have the same mean and
range.
Sample A: 1 3 3 4 5 6 6 8
Sample B: 1 2 3 4 5 6 7 8
Construct a 95% confidence interval for the population mean for
sample A.
Construct a 95% confidence interval for the population...

Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean for each of the
samples below. Explain why these two samples produce different
confidence intervals even though they have the same mean and
range.
Sample A: 1 4 4 4 5 5 5 8
Sample B: 1 2 3 4 5 6 7 8
a. Construct a 95% confidence interval for the population mean
for sample A.
b. Construct a 95% confidence interval for...

Construct a 90% confidence interval to estimate the population
mean using the accompanying data. What assumptions need to be made
to construct this interval?
x= 55 σ= 11 n=16
What assumptions need to be made to construct this
interval?
A. The sample size is less than 30.
B. The population must be normally distributed.
C. The population is skewed to one side.
D. The population mean will be in the confidence interval.

Assuming that the population is normally distributed, construct
a 95% confidence interval for the population mean for each of the
samples below.
Sample
A:
11
33
44
44
55
55
66
88
Full data set
Sample
B:
11
22
33
44
55
66
77
88
Construct a 95% confidence interval for the population mean for
sample A.
____ ≤ μ ≤ _____

#1. You are to construct a
99% confidence interval of a normally distributed population; the
population standard deviation is known to be 25. A random sample of
size 28 is taken; (i) the sample mean is found to 76 and (ii) the
sample standard deviation was found to be 30. Construct the
Confidence interval. Clearly name the standard distribution you
used (z, or t or F etc.) and show work. (10 points)

Determine the sample size n needed to construct a 90?%
confidence interval to estimate the population mean when
? = 48 and the margin of error equals 8.
n =

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