A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...

Ahead of the November presidential election, just 19% of Americans say democracy in the United States is a good example for other countries to follow, according to a Pew Research Center survey ...

The publics surveyed are largely skeptical that democracy in the U.S., at least in its current form, is a good example for other countries to follow. A median of four-in-ten across the 34 nations ...

Americans are vigorously debating the merits of continuing to lock down the U.S. economy to prevent the spread of COVID-19. A single statistic may hold the key to resolving this debate: the astounding ...