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Data Collection and Conclusions

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This video is for the redesigned SAT which is for you if you are taking the SAT in March 2016 and beyond.

Data Collection and Conclusions - Basic Example
The global temperature anomaly indicates how much warmer or colder the average global temperature is than normal during a particular time. A researcher conducting an observational study charted and analyzed atmospheric carbon dioxide (CO2) levels and the global temperature anomaly in degree celsius since the year 1960.
The researcher observed that the rate of increase of atmospheric CO2 since 1960 (approximately 4.0% per decade). Based on this data, which conclusion is valid?
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