Graphpad Quickcalcs T Test Calculator -
But it was the summary that made her lean back in her chair.
The two-tailed P value equals 0.0003
She blinked. 0.0003.
She scrolled up. The calculator had been generous. It gave her everything: the mean of Group A (12.40), the mean of Group B (10.10). The difference (2.30). The 95% confidence interval of that difference (1.59 to 3.01). The F test for equal variance (passed). The t ratio (7.23). The degrees of freedom (8). graphpad quickcalcs t test calculator
And it would answer. Quickly. Calmly. Correctly. But it was the summary that made her lean back in her chair
They looked different. The Drug X numbers were bigger. But were they really different? Or was this just the universe playing dice with her career? graphpad quickcalcs t test calculator