The number of articles written by researches in the united states, If in 2000 , approximately 5 , 500 articles were written by researches in Europe and 4 , 500 articles were written by researches in other country.
The number of articles written by researches in the united states, If in 2000 , approximately 5 , 500 articles were written by researches in Europe and 4 , 500 articles were written by researches in other country.
Solution Summary: The author calculates the number of articles written by researches in the United States from 1983 through 2003.
To calculate: The number of articles written by researches in the united states, If in 2000, approximately 5,500 articles were written by researches in Europe and 4,500 articles were written by researches in other country.
(b)
To determine
To calculate: The number of articles. If 5,500 articles were written by researches in Europe and same articles were written by researches in United States and other country.
(c)
To determine
The significance of the fact that the coefficient of x is negative, if the number z of research articles in physical review, written by researches in the united states from 1983 through 2003 can be approximated by z=5960−0.71x−0.50y(3000≤x,y≤6000).
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