Answers Final Exam VA1.Test stat = -1.13. At the 5% significance level, the sample data does not support the professor’s claim that the mean time reported will be less than 60 seconds.2.We are 95% confident that the true mean time reported by the students will be somewhere between 55 seconds and 61 seconds.3.Solution 1: Use a two-tailed t-test testing the mean = 98.6 vs. it does not = 98.6; the test stat is t = -3.23, which will allow us to reject the null. Thus the data does contradict the status quo belief that the mean body temp is 98.6.
This is the end of the preview.
access the rest of the document.
Statistical hypothesis testing, 5%, 60 seconds, 55 seconds, mean body temp