Answer
$Mean_{CO_2}=536,236.7$ thousands of metric tons of $CO_2$
Work Step by Step
$Mean=\frac{1,783,029+1,591,756+439,695+419,241+342,117+214,872+151,988+147,155+137,257+135,257}{10}=536,236.7$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.