Atmospheric carbon dioxide, Chemical Engineering

Atmospheric carbon dioxide is thought to be responsible for global warming.

The table below contains data about the amount of Atmospheric CO2 (in ppm) over the last fifty years.

Year

CO2

1959

315.98

1960

316.91

1965

320.04

1968

323.04

1971

326.32

1975

331.08

1980

338.7

1982

341.4

1984

344.4

1986

347.2

1988

351.5

1990

354.2

1992

356.4

1994

358.9

1996

362.6

1998

366.6

2000

369.4

2002

372.9

2007

383.71

2008

385.54

2009

387.35

(a) Construct a scatter plot for this data. (Either by hand or using Excel)

(b) Comment on the shape.

(c) Find a line of best fit.  If doing this by hand, you will need to find the line of best fit by eye and then find the equation.  If using excel, use a formula(s) to find the line of best fit.

(d) Using the equation, what was/is the atmospheric CO2 in 2005, 1920, 2020?  Comment on the accuracy of your answers.

(e) In your conclusion, comment on the accuracy of modelling this as a straight line given your graph.  Consider the accuracy to determine past and present values for CO2.

Posted Date: 3/29/2013 3:06:41 AM | Location : United States







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