Answer to Question #4058 in Statistics and Probability for Leon K

Question #4058
Given: t= 11.7, df =119, sig( 2-tailed)= .000 , Mean difference = 63.317, Test value = 205 and 95% confidence interval of the difference figures: lower= 52.66 and upper = 73.98. Other details: N= 120, mean = 268.32, Std Dev= 58.97 Std error mean = 5.38 (1) How often would you expect to see a sample difference at least this large in absolute value if the null hypothesis is true? (2) What is the range of value that you are 95% confident include the true difference between 205 and the average cholesterol for the population of men with coronary heart disease?
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