Variable Estimate Std. Error t-value
intercept -0.703 0.123 -5.696***
Number of days 0.006 0.004 1.61 n.s.
Presence of holes 0.042 0.186 0.83 n.s.
Type of tea -0.774 0.175 -4.427***
Days*holes 0.000 0.006 0.983 n.s.
Days*type 0.006 0.006 0.315 n.s.
Type*holes 0.661 0.264 2.505*
Days*holes*type -0.009 0.008 0.2625n.s.