ad Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $9000? To decide, you select a random sample of statisticians from each region. The results of each survey are shown to the right. At a = 0.10, what should you conclude? d. th Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. та. ... d Co Choose the correct null and alternative hypotheses below. Th ≥ 9000 OB. Ho: H₁-H₂ = 9000 OA. Ho: H1-H2 Ha: H1-H2 <9000 Ha: H1-H₂ #9000 29/ OD. Ho: H₁-H₂> 9000 Ha: H1-H₂ ≤9000 E. Ho: H₁-H₂9000 Ha: H1-H2>9000 sai Region 1 X₁ = $68,400 01 = $8975 n₁ = 46 ỌC. Ho:H-H2>9000 на: 01-H2 29000 O E Ho: H-H2*9000 Ha: H₁-H₂ = 9000 Region 2 X2 = $65,000 02 = $9125 n₂ = 43

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n₁=46
n₂ = 43
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.
...
Calculate the standardized test statistic for μ₁ −μ₂.
O
Z=
h.
(Round to two decimal places as needed.)
9/
Choose the correct answer below.
ai
OA. Fail to reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference
between the mean annual salaries is more than $9000.
d
W.
B. Reject Ho. At the 10% significance level, there is ufficient evidence to support the claim that the difference between the
mean annual salaries is more than $9000.
ue.
OC. Reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference between
the mean annual salaries is more than $9000.
Lc
OD. Fail to reject Ho. At the 10% significance level, there is sufficient evidence to support the claim that the difference
St
Transcribed Image Text:n₁=46 n₂ = 43 Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. ... Calculate the standardized test statistic for μ₁ −μ₂. O Z= h. (Round to two decimal places as needed.) 9/ Choose the correct answer below. ai OA. Fail to reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than $9000. d W. B. Reject Ho. At the 10% significance level, there is ufficient evidence to support the claim that the difference between the mean annual salaries is more than $9000. ue. OC. Reject Ho. At the 10% significance level, there is insufficient evidence to support the claim that the difference between the mean annual salaries is more than $9000. Lc OD. Fail to reject Ho. At the 10% significance level, there is sufficient evidence to support the claim that the difference St
ad
Is the difference between the mean annual salaries of statisticians in Region 1
and Region 2 more than $9000? To decide, you select a random sample of
statisticians from each region. The results of each survey are shown to the
right. At α = 0.10, what should you conclude?
d-
th
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.
а.
...
Co
Choose the correct null and alternative hypotheses below.
Th
OA. Ho: H1-H2
≥ 9000
OB. Ho: H₁ H₂ = 9000
Ha: H1-H2 <9000
Ha: H1-H₂ #9000
29/
OD. Ho: tq-Hz >9000
Ha: H1-H₂ ≤9000
E. Ho: ₁-₂ ≤ 9000
Ha: H1 -H2>9000
Determine the critical value(s).
Zo
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
d
sai
And
- W.
Region 1
X₁ = $68,400
01 = $8975
n₁ = 46
ỌC. Ho:H-H2>9000
Ha: P1-H₂ ≥ 9000
OF Ho: H-H2 #9000
Ha: H₁-H₂ = 9000
Region 2
X2 = $65,000
02 = $9125
n₂ = 43
Transcribed Image Text:ad Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $9000? To decide, you select a random sample of statisticians from each region. The results of each survey are shown to the right. At α = 0.10, what should you conclude? d- th Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. а. ... Co Choose the correct null and alternative hypotheses below. Th OA. Ho: H1-H2 ≥ 9000 OB. Ho: H₁ H₂ = 9000 Ha: H1-H2 <9000 Ha: H1-H₂ #9000 29/ OD. Ho: tq-Hz >9000 Ha: H1-H₂ ≤9000 E. Ho: ₁-₂ ≤ 9000 Ha: H1 -H2>9000 Determine the critical value(s). Zo (Round to two decimal places as needed. Use a comma to separate answers as needed.) d sai And - W. Region 1 X₁ = $68,400 01 = $8975 n₁ = 46 ỌC. Ho:H-H2>9000 Ha: P1-H₂ ≥ 9000 OF Ho: H-H2 #9000 Ha: H₁-H₂ = 9000 Region 2 X2 = $65,000 02 = $9125 n₂ = 43
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