Concerns about global warming have led to studies of the relationship between global temperature and the concentration of CO₂.Listed below are the concentrations of CO₂ in ppm (parts per million) and temperatures in Celsius [based on data from the Earth Policy Institute].Is there a linear relationship between temperature and the concentration of CO₂ at = 0.05?

CO₂314317320326331339346354361369

Temperature13.91413.914.114.014.314.114.514.514.4

a)r= ________

b)Critical value(s) = ___________

c)If there is a linear correlation, state the equation of the line:

[not y = mx + b. equation for this study]

d)If there is a linear correlation, determine the predicted CO₂ levels if the temperature

rises to 14.8 degrees Celsius.

[fyi:safe is listed as 350 ppm]