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1.0 1.5 2.0 3.0 不能从所给资料中求出
50/450×100/100=11.11% 200/450×100/100=44.44% 450/500×100/100=90% 400/550×100/100=81.82% 450/650×100/100=53.85%
两样本均数比较的t检验 两样本率比较的t检验 四格表两样本率比较的X2检验 B、C均可 秩和检验
300/350×100/100=85.71% 200/450×100/100=44.44% 450/500×100/100=90% 200/500×100/100=40% 300/500×100/100=60%
两样本均数比较的t检验 两样本率比较的t检验 四格表两样本率比较的χ2检验 B、C均可 秩和检验
1.0 1.5 2.0 3.0 不能从所给资料中求出
300/350x100/100=85.71% 200/450x100/100=44.44% 450/500x100/100=90% 200/500x100/100=40% 300/500x100/100=60%
300/350x100/100=85.71% 200/450x100/100=44.44% 450/500x100/100=90% 200/500x100/100=40% 300/500x100/100=60%
200/500×100/100=40% 300/500×100/100=60% 50/500×100/100=10% 450/500×100/100=90% 100/500×100/100=20%
50/450x100/100=11.11% 200/450x100/100=44.44% 450/500x100/100=90% 400/550x100/100=81.82% 450/650x100/100=53.85%
1.0 1.5 2.0 3.0 不能从所给资料中求出
200/500x100/100=40% 300/500x100/100=60% 50/500x100/100=10% 450/500x100/100=90% 100/500x100/100=20%
两样本均数比较的t检验 两样本率比较的Z检验 四格表两样本率比较的χ2检验 B、C均可 秩和检验
200/500×100/100=40% 300/500×100/100=60% 50/500×100/100=10% 450/500×100/100=90% 100/500×100/100=20%
1.0 1.5 2.0 3.0 不能从所给资料中求出
200/500x100/100=40% 300/500x100/100=60% 50/500x100/100=10% 450/500x100/100=90% 100/500x100/100=20%
50/450×100/100=11.11% 200/450×100/100=44.44% 450/500×100/100=90% 400/550×100/100=81.82% 450/650×100/100=53.85%
300/350×100/100=85.71% 200/450×100/100=44.44% 450/500×100/100=90% 200/500×100/100=40% 300/500×100/100=60%
200/500×100/100=40% 300/500×100/100=60% 50/500×100/1000=10% 450/500×100/100=90% 100/500×100/100=20%