Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $7000? 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? Region 1 X1 = $67,900 Region 2 X2 = $64,000 01 = $8950 02 = $9125 n, = 48 Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. n2 = 46 CHOOSE ue COTECI Tuil anu ailemaivE TiypouTESeS DEloW. A. Ho: H1 - H2 > 7000 Ha: H1 - H2 57000 B. Ho: H, - H2 # 7000 Ha: H1- H2 = 7000 O E. Ho: H1 - H2 Ha: H1 - H2 2 7000 C. Ho: H1 - H22 7000 Ha: H1- H2<7000 O D. Ho: H1 - H2 = 7000 Ha: H1- H2 #7000 > 7000 F. Ho:H1 - H2 S7000 Ha: H1 - H2 > 7000 Determine the critical value(s). Zo = (Round to two decimal places as needed. Use a comma to separate answers as needed.)

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Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $7000? 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?
Region 1
X1 = $67,900
Region 2
X2 = $64,000
01 = $8950
02 = $9125
n, = 48
Click here to view page 1 of the standard normal distribution table.
Click here to view page 2 of the standard normal distribution table.
n2 = 46
CHOOSE ue COTECI Tuil anu ailemaivE TiypouTESeS DEloW.
A. Ho: H1 - H2 > 7000
Ha: H1 - H2 57000
B. Ho: H, - H2 # 7000
Ha: H1- H2 = 7000
O E. Ho: H1 - H2
Ha: H1 - H2 2 7000
C. Ho: H1 - H22 7000
Ha: H1- H2<7000
O D. Ho: H1 - H2 = 7000
Ha: H1- H2 #7000
> 7000
F. Ho:H1 - H2 S7000
Ha: H1 - H2 > 7000
Determine the critical value(s).
Zo =
(Round to two decimal places as needed. Use a comma to separate answers as needed.)
Transcribed Image Text:Is the difference between the mean annual salaries of statisticians in Region 1 and Region 2 more than $7000? 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? Region 1 X1 = $67,900 Region 2 X2 = $64,000 01 = $8950 02 = $9125 n, = 48 Click here to view page 1 of the standard normal distribution table. Click here to view page 2 of the standard normal distribution table. n2 = 46 CHOOSE ue COTECI Tuil anu ailemaivE TiypouTESeS DEloW. A. Ho: H1 - H2 > 7000 Ha: H1 - H2 57000 B. Ho: H, - H2 # 7000 Ha: H1- H2 = 7000 O E. Ho: H1 - H2 Ha: H1 - H2 2 7000 C. Ho: H1 - H22 7000 Ha: H1- H2<7000 O D. Ho: H1 - H2 = 7000 Ha: H1- H2 #7000 > 7000 F. Ho:H1 - H2 S7000 Ha: H1 - H2 > 7000 Determine the critical value(s). Zo = (Round to two decimal places as needed. Use a comma to separate answers as needed.)
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