- Sea_ice_2020Download .TXT file Open in Data Desk ?Link
- Methods: Multiple Regression Inference, Regression Inference
- Source: Ice extent from http://nsidc.org Temperature from http://climate.nasa.gov/system/internal_resources/details/original/647_Global_Temperature_Data_File.txt
- Number of Cases: 42
Climate scientists have been observing the extent of sea ice using satellite observations. Many have expressed concern because, since 1980, the extent of sea ice has declined precipitously—possibly due to global climate change. But a multiple regression of Extent on temp and year gives a coefficient for temp that is essentially zero.
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