The following table shows the annual number of PhD graduates in a country in various fields....

 

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The following table shows the annual number of PhD graduates in a country in various fields. y(t) = F = 1990 1000 1995 800 600 400 200 2000 2005 2010 2012 Natural Sciences 70 130 5 330 490 590 690 Engineering 10 10 40 130 370 550 590 Graph the associated points and regression line. y Social Sciences 15 20 50 100 290 470 830 1,000 (a) Use technology to obtain the regression equation and the coefficient of correlation for the number of social science doctorates as a function of time t in years since 1990. (Round coefficients to three significant digits. Round your r-value to three decimal places.) 25 Education t 30 40 O 130 210 520 900 y 1000 800 600 400 200 5 10 15 20 25 t y 1000 O 800 600 400 200 5 10 15 20 t 25 O y 1000 800 600 400 200 5 10 15 20 25 t Instruction Use technology to obtain the regression equation and coefficient of correlation for the numbers of social science doctorate as a function of time for the year since 1990 The following table shows the annual number of PhD graduates in a country in various fields. y(t) = F = 1990 1000 1995 800 600 400 200 2000 2005 2010 2012 Natural Sciences 70 130 5 330 490 590 690 Engineering 10 10 40 130 370 550 590 Graph the associated points and regression line. y Social Sciences 15 20 50 100 290 470 830 1,000 (a) Use technology to obtain the regression equation and the coefficient of correlation for the number of social science doctorates as a function of time t in years since 1990. (Round coefficients to three significant digits. Round your r-value to three decimal places.) 25 Education t 30 40 O 130 210 520 900 y 1000 800 600 400 200 5 10 15 20 25 t y 1000 O 800 600 400 200 5 10 15 20 t 25 O y 1000 800 600 400 200 5 10 15 20 25 t Instruction Use technology to obtain the regression equation and coefficient of correlation for the numbers of social science doctorate as a function of time for the year since 1990

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1 The data is given in a table with Year t ranging from 1990 to 2012 and the corresponding Number of ... View the full answer