Better attendance inevitably leads to fewer students dropping the class and an overall rise in grades.
Most of the overall rise in both consumer and producer prices was caused by energy costs, which increased 4.4 percent in the month.
It was the biggest overall rise in more than nine years.
Officials had no ready explanation for the dip but studies have shown intermittent fluctuations within an overall rise since the mid-1980's.
Inflation is an overall rise in the price of goods and services.
The low overall rise in last month's price index was largely anticipated and thus made little impact on the financial markets.
"At least we can forget about him having anything directly to do with the first overall rise," she said.
But three factors can explain part of the overall rise.
Maybe these candidates would see an overall rise in their popularity if they addressed things we actually care about.
After that, the economy simply grows in line with the overall rise in wealth.