extremely significantp < 0.0001
Among them, G exhibited an extremely significant effect on the angle of repose ( p < 0.0001), whereas F and J showed significant effects ( p = 0.0279 and 0.0155, respectively).
Among them, G exhibited an extremely significant effect on the angle of repose ( p < 0.0001), whereas F and J showed significant effects ( p = 0.0279 and 0.0155, respectively).