. 2021 Jan 29;21(1):57–65. doi: 10.4103/jips.jips_19_20

Table 7.

Pairwise comparison of Group II (zinc polycarboxylate luting cement) and Group III (zinc phosphate luting cement) using Mann–Whitney U-test

Ranks

	Cement	n	Mean rank	Sum of ranks
Total	Group II	10	15.05	150.50
	Group III	10	5.95	59.50
	Total	20

Test statisticsb		Difference_score

Mann–Whitney U		4.500
Wilcoxon W		59.500
Z		−3.530
Asymptotic significant (two-tailed)		0.000
Exact significant (two×[one-tailed significant])		0.000^a

^aNot corrected for ties,

^bGrouping variable: Cement