Back in May, Metro lowered its standards. That's the dip in the solid line above. (Not sure why the line dips in February-March, but they announced it in May.)
Some thought Metro's performance would sink accordingly.
Are those people right, or is it a fluke?
Regardless, Metro's still getting an A.
Graph source: Latest "Vital Signs" report
Oct. 11, 2012
February 21, 2012
March 4, 2010
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