Influence of Plantain Pseudostem Fibres and Lime on the Properties of Cement Mortar

Table 3

Descriptive and One-Way RM ANOVA of compressive strength.

Specimen, mixture (%)	N	Mean (MPa)	Std Dev	SEM
0	3	11.610	0.356	0.206
0.25	3	14.327	0.258	0.149
0.5	3	13.893	0.260	0.150
0.75	3	12.850	0.100	0.057
1	3	10.660	0.200	0.115
Multiple comparisons versus control (Holm–Sidak method)
Comparison	Diff of means	T
0% vs. 0.25%	2.717	17.881	<0.001	Yes
0% vs. 0.5%	2.283	15.545	<0.001	Yes
0% vs. 0.75%	1.240	9.327	<0.001	Yes
0% vs. 1%	0.950	3.360	0.010	Yes

SEM: standard error of the mean; Std Dev: standard deviation.