What tests can I use?

Basically, I have to variables Carbon Monoxide (CO) and Black Smoke.

I have to test whether black smoke influences the level of CO in the atmosphere at a specific site.

I'm not particularly good at stats, can someone please let me know what tests I can do on Minitab to test correlation. So far I have done a standard correlation, spearman's rank and a simple scatterplot.

Please let me know how I have to lay out the data for any suggested tests too, thanks.


No cake for spunky
You can do linear regression (which mintabs does) with CO your DV and black smoke your IV. I assume you measure both smoke and CO as interval variables.