Worldwide carbon dioxide emissions have increased over the years as Earth's population has grown. The table shows the world carbon dioxide emissions, in millions of metric tons, from 1950 to 1990.
Year Emissions
1950
6000
1960
9500
JE
1970
15,000
1980
19,300
1990
22,500
1. Which is the explanatory variable,
and which is the response
variable?
2. Calculate the linear regression
equation from the above data.
Explanatory variable:
Response variable: