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 9 City 11 6 City 2 20 City 12 4 City 3 29 City 13 13 City 4 30 City 14 29 City 5 28 City 15 7 City 6 30 City 16 16 City 7 27 City 17 27 City 8 9 City 18 15 City 9 26 City 19 29 City 10 20 City 20 27 Construct a 9090 % confidence interval for the average number of papers published in major world cities.  <μ

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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
City 1 9 City 11 6
City 2 20 City 12 4
City 3 29 City 13 13
City 4 30 City 14 29
City 5 28 City 15 7
City 6 30 City 16 16
City 7 27 City 17 27
City 8 9 City 18 15
City 9 26 City 19 29
City 10 20 City 20 27

Construct a 9090 % confidence interval for the average number of papers published in major world cities.

 <μ

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 99 City 11 66
City 2 2020 City 12 44
City 3 2929 City 13 1313
City 4 3030 City 14 2929
City 5 2828 City 15 77
City 6 3030 City 16 1616
City 7 2727 City 17 2727
City 8 99 City 18 1515
City 9 2626 City 19 2929
City 10 2020 City 20 2727

Construct a 9090 % confidence interval for the average number of papers published in major world cities.

 <μ<

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