资讯

Trump is calling for a "new" census that excludes people in the U.S. without legal status. The 14th Amendment requires the "whole number of persons in each state" in a key set of census results.
1,679 days in, the strongest Silksong fan celebrates the release date after years of daily update videos with a fittingly dramatic speech: "Count that number and think about it" News ...
The mean is the mathematical average of two or more numbers. Find out how investors and economists use the mean to track performance.
Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.