T-Test Calculator
Enter two groups of numbers (one per line goes with the group) to compare their means.
t-statistic
-4.429
p-value
0.0020
Likely a significant difference (p < 0.05)
You might also find these useful
Magnetic Field LinesSee how field lines curve for a single magnet and how two magnets attract or repel.
Measurement Error AnalysisEnter a set of measurements and the true value to see absolute, relative, and standard errors.
Function GrapherPlot any mathematical function of x and explore its shape by adjusting the range.
Complex Number PlaneMultiply two complex numbers and see how their magnitudes multiply and angles add on the plane.