My CourseSites Remaining Time: 2 hours, 48 minutes, 26 seconds. Question Complet
ID: 2923779 • Letter: M
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My CourseSites Remaining Time: 2 hours, 48 minutes, 26 seconds. Question Completion Status: Question 13 Are America's top chief executive officers (CEOs) really worth all that money? One way to answer this question is to look at row B, the annual company percentage increase in revenue, versus row A, the CEO's annual percentage salary increase in that same company. Suppose that a random sample of companies yielded the following data: Percent for company Percent for CEO 28 Do these data indicate that the population mean percentage increase in corporate revenue (row B) CE o salary? Use a 10% level of significance, what is the value of the test statistic, A.-0.322 OB,-0.344 C.-0.368 D.0.344 E. 0.322 Question 13 of 30 Moving to another question wil save this response. MacBook AinExplanation / Answer
% for CEO
% for Co
Di
(Di-D)
(Di-D)^2
12
13
1
0.50
0.25
31
29
-2
-2.50
6.25
14
17
3
2.50
6.25
7
7
0
-0.50
0.25
32
28
-4
-4.50
20.25
16
16
0
-0.50
0.25
19
28
9
8.50
72.25
19
16
-3
-3.50
12.25
0.5
118.00
D=ED/n=0.5
S.D=(E(Di-D)2/n-1)=118/7=4.1057
tSTAT=D-µ /S.D/n
Where tSTAT has n - 1 d.f
tSTAT=0.5-0/4.1057/8
=0.3444 (D)
% for CEO
% for Co
Di
(Di-D)
(Di-D)^2
12
13
1
0.50
0.25
31
29
-2
-2.50
6.25
14
17
3
2.50
6.25
7
7
0
-0.50
0.25
32
28
-4
-4.50
20.25
16
16
0
-0.50
0.25
19
28
9
8.50
72.25
19
16
-3
-3.50
12.25
0.5
118.00
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