Question
In: Statistics and Probability
A random sample of 10 observations was drawn from a large normally distributed population. The data...
A random sample of 10 observations was drawn from a large normally distributed population. The data is below. 20232221241926191923 Test to determine if we can infer at the 7% significance level that the population mean is not equal to 22, filling in the requested information below.
A. The value of the standardized test statistic: Note: For the next part, your answer should use interval notation. An answer of the form (−∞,a) is expressed (-infty, a), an answer of the form (b,∞) is expressed (b, infty), and an answer of the form (−∞,a)∪(b,∞) is expressed (-infty, a)U(b, infty).
B. The rejection region for the standardized test statistic:
C. The p-value is
D. Your decision for the hypothesis test:
A. Reject H0. B. Do Not Reject H0. C. Do Not Reject H1. D. Reject H1.
Solutions
orchestra answered 2 years agoRelated Solutions
A random sample of 10 observations was drawn from a large normally distributed population. The data...
A random sample of 10 observations was drawn from a large
normally distributed population. The data is below.
21, 22, 19, 25, 19, 19, 21, 26, 21, 23
Test to determine if we can infer at the 3% significance level
that the population mean is not equal to 22, filling in the
requested information below.
A. The value of the standardized test statistic:
Note: For the next part, your answer should use
interval notation. An answer of the form...
A random sample of 10 observations was drawn from a large normally distributed population. The data...
A random sample of 10 observations was drawn from a large
normally distributed population. The data is below.
2019242326232524262620192423262325242626
Test to determine if we can infer at the 7% significance level
that the population mean is not equal to 22, filling in the
requested information below.
A. The value of the standardized test statistic:
Note: For the next part, your answer should use
interval notation. An answer of the form (−∞,?)(−∞,a) is expressed
(-infty, a), an answer of the form...
A random sample of 10 observations was drawn from a large normally distributed population. The data...
A random sample of 10 observations was drawn from a large
normally distributed population. The data is below.
21 26 27 21 19 28 25 25 20 20
Test to determine if we can infer at the 7% significance level
that the population mean is not equal to 23, filling in the
requested information below.
The p-value is =
Your decision for the hypothesis test:
A. Reject ?0.
B. Reject ?1.
C. Do Not Reject ?1.
D. Do Not Reject...
A) The following observations are obtained when a random sample is drawn from a normally distributed...
A) The following observations are obtained when a random sample
is drawn from a normally distributed population: [7.472, 37.89,
21.32, 25.99, 15.8]
Use this information to test the null hypothesis H0:σ2=60
against the alternative hypothesis HA:σ2>60.
a) What is the value of the test statistic χ2? Round
your response to at least 3 decimal places.
b) The P-value falls within which one of the following
ranges:
A
P-value > 0.10
B
0.05 < P-value < 0.10
C
0.025 < P-value...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean, x overbar, is found to
be 115, and the sample standard deviation, s, is found to be 10.
(a) Construct an 80% confidence interval about mu if the sample
size, n, is 12. (b) Construct an 80% confidence interval about mu
if the sample size, n, is 27. (c) Construct a 98% confidence
interval about mu if the sample size, n,...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean, x overbar is found to be
112, and the sample standard deviation, s, is found to be 10.
(a) Construct a 95% confidence interval about μ if the sample
size, n, is 26.
(b) Construct a 95% confidence interval about μ if the sample
size, n, is 17.
(c) Construct an 80% confidence interval about μ if the
sample size, n,...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean,
x overbarx,
is found to be
106106,
and the sample standard deviation, s, is found to be
1010.
(a) Construct
aa
9595%
confidence interval about
muμ
if the sample size, n, is
1111.
(b) Construct
aa
9595%
confidence interval about
muμ
if the sample size, n, is
2929.
(c) Construct
aa
9999%
confidence interval about
muμ
if the sample size, n,...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean,
x overbarx, is found to be 110, and the sample standard
deviation, s, is found to be 10.
(b) Construct a 95% confidence interval about μ if the sample
size, n, is 13.
(c) Construct a 70% confidence interval about μ if the sample
size, n, is 25.
(d) Could we have computed the confidence intervals in parts
(a)-(c) if the...
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean,x overbarx, is found to
be 115,and the sample standard deviation, s, is found to be
10.
(a) Construct a 95% confidence interval about μ if the sample
size, n, is 23.
(b) Construct a 95% confidence interval about μ if the sample
size, n, is 18.
(c) Construct a 70% confidence interval about μ if the sample
size, n, is 23....
A simple random sample of size n is drawn from a population that is normally distributed....
A simple random sample of size n is drawn from a population that
is normally distributed. The sample mean, x overbar , is found to
be 106 , and the sample standard deviation, s, is found to be 10
. (a) Construct an 95 % confidence interval about mu if the
sample size, n, is 18 . The Lower Bound and Upper Bound (b)
Construct an 95 % confidence interval about mu if the sample
size, n, is 25 ....
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