Topline President Donald Trump’s approval rating held steady at 47% in two new polls this week, five points above his 42% average rating in his first term, according to Gallup, as one of the new ...

Erik Kain's stories. I write about TV shows, movies, video games, entertainment & culture.

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.

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

The members of the European Council are the 27 heads of state and government of the EU countries.

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