Despite assurances they would “respond in full” to a state lawmaker’s inquiry into the resignation of University of Virginia President Jim Ryan, UVa attorneys now say ongoing discussions with the ...

If the data falls in the critical region, statisticians reject the null hypothesis in favor of the alternative. A one-tailed test in statistics is used to determine if a sample mean is significantly ...

At 18, Katie Stubblefield lost her face. At 21, she became the youngest person in the U.S. to undergo the still experimental surgery. Follow her incredible story. Sixteen hours into a transplant ...