The water absorption of two types of mortar used to repair damaged cement was discussed in the article “Polymer Mortar Composite Matrices for Maintenance-Free, Highly Durable Ferrocement” (J. of Ferrocement, 1984: 337–345).

Specimens of ordinary cement mortar (OCM) and polymer cement mortar (PCM) were submerged for varying lengths of time (5, 9, 24, or 48 hours) and water absorption (% by weight) was recorded. With mortar type as factor A (with two levels) and submersion period as factor B (with four levels), three observations were made for each factor level combination. Data included in the article was used to compute the sums of squares, which were SSA  322.667, SSB 35.623, SSAB  8.557, and SST  372.113. Use this information to construct an ANOVA table. Test the appropriate hypotheses at a .05 significance level.