Hw Speech or Presentation Example | Topics and Well Written Essays - 1000 words

Hw - saving or Presentation ExampleCompute the results from a hypothesis test of p1=p2 (with a 0.05 significance level) and a 95% confidence interval estimate of p1-p2A study investigated choice rates for in- hospital patients who suffered cardiac arrests. Among 58593 patients who had cardiac arrest during the day, 11604 survived and were discharged. Among 28155patients who had attacks at night, 4138 survived and were discharged. We want to use 0.01 significance level to test the claim that survival rates argon the same for the days and nights..In a randomized controlled trial in Kenya, insecticide hardened bed nets were tested as a way to reduce malaria. Among the 343 sisters using bed nets, 15 true malaria. Among 294 infants not using bed nets, 27 developed malaria. (Based on data from sustainability of reductions in malaria transmission and infant mortality in western Kenya with use of insecticide treated bed nets. By Lindblade et al. Journal of the American medical Associati on.) We want to use a 0.02 significance level to test the claim that the incidence of malaria is trim down 9n infants using bed nets.The results are statistically significant since they provide the information required for statistical estimation. However, the results are not practical since it is not easy to estimate and improve the