Graphpad | Quickcalcs T Test Calculator
Her eyes skipped past the "Intermediate values" and went straight to the bottom line.
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
The two-tailed P value equals 0.0003
Significantly greater. Two words that can make or break a PhD thesis. Two words that justify a six-month grant. Two words that separate noise from signal. Her eyes skipped past the "Intermediate values" and