Correlation or Causality: Starbucks & Obama

This one was too good not to share.  See below for a graph mapping out the correlation between the number of Starbucks and the margin of victory/defeat for Obama vs. Clinton.  From the Urbanspoon:

Is there really a connection between sipping your double tall breve and voting for Obama? We’ll leave political analysis to the professionals, but this is the kind of food question we’re equipped to investigate. Unfortunately, we can’t directly measure how much latte everyone is drinking. But as an approximation, we looked at the number of Starbucks stores per capita on a state-by-state basis. Compare this to how states voted in the primary:

The blue line measures the percentage by which Obama beat (or lost to) Clinton. The green dots represent the number of Starbucks stores per million people for each state. The black line is the trend line of Starbucks stores, drawn to make it easier to see the relationship between voting and latte sipping.

Love it.  Thanks to Paul Kedrosky for the pointer.

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