A one-tailed test is chosen when it is unnecessary to consider outcomes in the opposite direction of interest. Hypothesis testing is a key concept in inferential statistics, used to check if a claim .

Liam O’Brien passed for four touchdowns and ran for another score, Jared Richardson had 157 yards receiving and three scores, and Pennsylvania beat Columbia 35-21 for its third consecutive win.

A Massachusetts-based nonprofit that tracks police suicides says at least 228 officers died by suicide in 2019, the highest number the organization has reported yet. The 2019 number is again higher ...

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The Magnificent Seven represent 36.6% of the S&P 500 as of October 2025, up from 12.3% in 2015. From 2015 to 2024, these seven companies achieved a 697.6% return, outperforming the S&P 500. The S&P ...