Question

Suppose that a sample has been drawn from a normal population to conduct the hypothesis test ?0:?1:?2?2=>2727 Assume that you know that the sample variance is ?2=52, the sample size is ?=22, and take ?=0.09. Draw the sampling distribution, and use it to determine each of the following: A. The value of the standardized test statistic: Note: For the next part, your answer should use interval notation. An answer of the form (−∞,?) is expressed (-infty, a), an answer of the form (?,∞) is expressed (b, infty), and an answer of the form (−∞,?)∪(?,∞) 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. Do Not Reject ?0. B. Do Not Reject ?1. C. Reject ?1. D. Reject ?0.

Answer #1

1 point) Suppose that a sample has been drawn from a normal
population to conduct the hypothesis test ?0:?1:?2?2=>3434
Assume that you know that the sample variance is ?2=57, the sample
size is ?=25, and take ?=0.04. Draw the sampling distribution, and
use it to determine each of the following: A. The value of the
standardized test statistic: Note: For the next part, your answer
should use interval notation. An answer of the form (−∞,?) is
expressed (-infty, a), an...

Suppose that we are to conduct the following hypothesis
test:
H0: μ=990
H1:μ>990
Suppose that you also know that σ=220, n=100, x¯=1031.8, and
take α=0.01.
Draw the sampling distribution, and use it to determine each of
the following:
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...

Suppose that we are to conduct the following hypothesis test:
H0:H1:μμ=>10701070 Suppose that you also know that σ=150, n=90,
x¯=1101.5, and take α=0.01. Draw the sampling distribution, and use
it to determine each of the following: 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...

Suppose that we are to conduct the following hypothesis test:
H0: μ = 1080 , H1:μ >1080
Suppose that you also know that σ=240, n=100, x¯=1125.6, and
take α=0.005. Draw the sampling distribution, and use it to
determine each of the following:
A. The value of the standardized test statistic:
1.9 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,...

Suppose that a sample has been drawn from a normal population to
conduct the hypothesis test
H0:σ2=33
H1:σ2>33
Assume that you know that the sample variance is s2=63, the
sample size is n=24, and take α=0.09. Draw the sampling
distribution, and use it to determine each of the following:
A. The test statistic is:
B. The p-value is
C. Your decision for the hypothesis test:
A. Do Not Reject H1H1.
B. Do Not Reject H0H0.
C. Reject H0H0.
D. Reject...

(1 point) Suppose that we are to conduct the following
hypothesis test:
H0:H1:μμ=>990990H0:μ=990H1:μ>990
Suppose that you also know that σ=240σ=240,
n=80n=80, x¯=1030.8x¯=1030.8, and take
α=0.01α=0.01. Draw the sampling distribution, and use it
to determine each of the following:
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)(−∞,a) is
expressed (-infty, a), an answer of the form (b,∞)(b,∞) is
expressed (b, infty), and an answer...

(1 point) Suppose that you are to conduct the following
hypothesis test:
H0:H1:μμ=≠510510H0:μ=510H1:μ≠510
Assume that you know that σ=90σ=90, n=42n=42, x¯=487.5x¯=487.5,
and take α=0.1α=0.1. Draw the sampling distribution, and use it to
determine each of the following:
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)(−∞,a) is expressed
(-infty, a), an answer of the form (b,∞)(b,∞) is expressed (b,
infty), and an answer of...

1) A random sample of 10 observations was drawn from a large
normally distributed population. The data is below.
23,19, 24,17, 19, 23, 22, 22, 17, 16,
Test to determine if we can infer at the 8% significance level
that the population mean is not equal to 20, 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 (−∞,?) is
expressed...

1) The sample mean and standard deviation from a random sample
of 22 observations from a normal population were computed as x¯=40
and s = 13. Calculate the t statistic of the test required to
determine whether there is enough evidence to infer at the 7%
significance level that the population mean is greater than 37.
Test Statistic=
2) The contents of 33 cans of Coke have a mean of x¯=12.15 and a
standard deviation of s=0.13. Find the value...

A random sample of 12 second-year university students enrolled
in a business statistics course was drawn. At the course's
completion, each student was asked how many hours he or she spent
doing homework in statistics. The data are listed below.
37 33 38 40 30 32 40 32 36 36 31 32
It is known that the population standard deviation is 8. The
instructor has recommended that students devote 3 hours per week
for the duration of the 12-week semester,...

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