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Table 20 Probability of unemployment, two-sample t test with equal variances by group (treatment group = 1 and control group = 0; year1988)

From: Assessing labor market impacts of trade opening in Uruguay

Group	Obs	Mean	Std. Err.	Std. Dev.	[95% Conf. Interval]	Group
0	3526	0.0551943	0.000808	0.047978	0.0536101	0.0567784
1	3648	0.0874021	0.0013138	0.079354	0.0919938	0.089978
combined	7174	0.0715721	0.0008001	0.0677654	0.0700037	0.0731404
diff		−0.0322079	0.0015546		−0.0352554	−0.0291603

diff = mean(0) - mean(1); t = −20.7173; Ho: diff = 0; degrees of freedom = 7172.

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