Fig. 4From: Privacy-preserving chi-squared test of independence for small samplesEmpirical power results with 2×2 Contingency tables generated with probabilities of (0.25+0.01,0.25−0.01,0.25−0.01,0.25+0.01). a Results with ε=0.1,α=0.005. b Results with ε=0.1,α=0.01. c Results with ε=0.1,α=0.05Back to article page