2 Sample T-Test Calculator

Jeff Sauro, PhD



Data

Descriptive Statistics

Enter Summarized Data
Sample 1
Sample 2


Clear Sample Data
NMeanStDevSE Mean
1150.09129.0468.7577
1196.36473.29822.1002

Observed Difference (Sample 1 - Sample 2): -46.273

Standard Deviation of Difference: 23.7722

95% Confidence Interval for the Difference: ( -97.6305 , 5.0845 )

Test Statistic t = -1.9465

P-Value = 0.0736


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