The scientific productivity of major world cities was the subject of a recent study. The study determined the number of scientific papers published between 1994 and 1997 by researchers from each of the 20 world cities, and is shown below. City Number of papers City Number of papers City 1 15 City 11 5 City 2 3 City 12 19 City 3 3 City 13 8 City 4 30 City 14 30 City 5 3 City 15 10 City 6 10 City 16 4 City 7 20 City 17 15 City 8 21 City 18 15 City 9 City 19 13 City 10 City 20 19 19 <μ< 4 Construct a 99% confidence interval for the average number of papers published in major world cities.

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The scientific productivity of major world cities was the subject of a recent study. The study
determined the number of scientific papers published between 1994 and 1997 by researchers from
each of the 20 world cities, and is shown below.
City Number of papers City Number of papers
15
City 11
5
3
City 12
19
3
City 13
8
30
City 14
30
3
City 15
10
10
City 16
4
20
City 17
15
21
City 18
15
19
City 19
13
4
City 20
19
City 1
City 2
City 3
City 4
City 5
City 6
City 7
City 8
City 9
City 10
Construct a 99 % confidence interval for the average number of papers published in major world
cities.
<μ<
Transcribed Image Text:The scientific productivity of major world cities was the subject of a recent study. The study determined the number of scientific papers published between 1994 and 1997 by researchers from each of the 20 world cities, and is shown below. City Number of papers City Number of papers 15 City 11 5 3 City 12 19 3 City 13 8 30 City 14 30 3 City 15 10 10 City 16 4 20 City 17 15 21 City 18 15 19 City 19 13 4 City 20 19 City 1 City 2 City 3 City 4 City 5 City 6 City 7 City 8 City 9 City 10 Construct a 99 % confidence interval for the average number of papers published in major world cities. <μ<
Expert Solution
Step 1: Information given is

15,3,3,30,3,10,20,21,19,4,5,19,8,30,10,4,15,15,13,19

sample size(n)=20

confidence level=99%

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