4. A corporate lawyer wonders whether the vigor of antitrust enforcement differed in the 2010s com-pared to the 2000s. A sample of 10 firms is selected from the Fortune 500 list, and the data of table below are collected. Make an appropriate hypothesis test at the 5 percent level of significance using sign test.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 30PPS
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4. A corporate lawyer wonders whether the vigor of antitrust enforcement differed in the
2010s com-pared to the 2000s. A sample of 10 firms is selected from the Fortune 500
list, and the data of table below are collected. Make an appropriate hypothesis test at the
5 percent level of significance using sign test.
Number of Indictments (Charges)
Firm
2000s
2010s
A
8.
3
D
7
9.
10
9.
F
15
20
18
12
7
8
12
J
3
Transcribed Image Text:4. A corporate lawyer wonders whether the vigor of antitrust enforcement differed in the 2010s com-pared to the 2000s. A sample of 10 firms is selected from the Fortune 500 list, and the data of table below are collected. Make an appropriate hypothesis test at the 5 percent level of significance using sign test. Number of Indictments (Charges) Firm 2000s 2010s A 8. 3 D 7 9. 10 9. F 15 20 18 12 7 8 12 J 3
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