But there is a broader lesson here, about looking a photos of complex three-dimensional objects, especially when they also have complex surface textures. By all means, look at such photos and enjoy them — but beverycareful about drawing conclusions from them in isolation. They can be terribly...
According to the Student’s t-test for the equality of means, the difference between the measurement errors is significant, at a 95% confidence interval (t = 3.683, bilateral significance 0.001). Figure 4 shows this difference graphically, where the 95% confidence intervals for each mean do no...