Unemployment rates and access to a university education can influence the way certain areas vote, one study about Brexit has shown.
Measures of central tendency and the spread of data, including outliers, will come into play as students take the PARCC test in algebra 1 this spring.
The US graduation rate hit a new high in 2014-15, when about 83% of high school students graduated on time, US Dept of Ed says.
Learning about statistics is important in a world filled with questionable media accounts of trends. Statistics with real data is even better.