i do not thikn you need these images as the data for this problem…
Question Answered step-by-step i do not thikn you need these images as the data for this problem… Image transcription text1. [MODULE 11] A clinical trial was carried out comparing percutaneous transluminal coronary angioplasty (PCTA) with medical therapy in treating single-vessel coronary artery disease. Patients were given an exercise test 6 months following treatment. Excerise tests were per- formed up to maximal effort until symptoms such as angina appeared. The following table gives summary statistics regarding the change in length of time until adverse symptoms appeared: Treatment Therapy PCTA n 100 99 X 0.5 2.1 S 2.2 3.1 (a) Compute the pooled variance. (b) Compute the standard error of the difference between the treat- ment means. (c) Test the null hypothesis of equality of the treatment means at the a = 0.05 significance level. Give your test statistic, critical value, and degrees of freedom. (d) Compute the 95% confidence interval for the difference between the treatment means. (e) What are yourconclusions?… Show morei do not thikn you need these images as the data for this problem should be in the question but I am providing the heart data because I was told my question had insufficient data Math Statistics and Probability STATISTICS 6012 Share QuestionEmailCopy link Comments (0)


