"Table Analyzed" "centroid speed" "Column B" "sf - optimized" vs. vs. "Column A" "sf - standard" "Unpaired t test" " P value" 0.5492 " P value summary" ns " Significantly different (P < 0.05)?" No " One- or two-tailed P value?" Two-tailed " t, df" "t=0.6292, df=7" "How big is the difference?" " Mean of column A" 22.03 " Mean of column B" 18.84 " Difference between means (B - A) ± SEM" "-3.196 ± 5.080" " 95% confidence interval" "-15.21 to 8.816" " R squared (eta squared)" 0.05352 "F test to compare variances" " F, DFn, Dfd" "2.836, 3, 4" " P value" 0.3399 " P value summary" ns " Significantly different (P < 0.05)?" No "Data analyzed" " Sample size, column A" 4 " Sample size, column B" 5