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...

Extracted 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 18 City 11 City 12 City 1 19 City 2 17 21 City 3 18 City 13 23 City 14 City 15 City 4 25 City 5 21 29 21 City 16 City 17 City 6 26 City 7 17 27 City 8 20 City 18 19 City 19 City 20 City 9 15 25 City 10 30 8. Construct a 90 % confidence interval for the average number of papers published in major world cities. Use technology to help you with this problem (Minitab). If calculating by hand, do not round until the end, and keep at least 3 decimal places for your critical value. Give your answers to at least 2 decimal places. くルく