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Global Warming Statistics

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Below are Global carbon dioxide concentrations and the measured change in Global temperature (Temperature Anomaly) for an 11 year period in our recent past:

YEAR CO2 Concentration (ppm) Temperature Anomaly (ºC)
1981 339.93 .043
1982 341.13 .022
1983 342.78 .097
1984 344.42 .074
1985 345.90 .091
1986 347.15 .066
1987 348.93 .267
1988 351.48 .155
1989 352.91 .267
1990 354.19 .509
1991 355.59 .430

Using Excel, construct a scatterplot that shows the relationship between the two variables (carbon dioxide concentrations and the measured change in Global temperature). Calculate the r value using Excel. Copy and Paste your work from Excel into your Word document submission. Verbally describe the direction and magnitude of the relationship you find. What does this tell you about Global warming?

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Global warming statistics are examined in the following posting.

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Anwesha Ghosh, MSc
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  • MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
  • BSc, Banaras Hindu University
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