Systolic blood pressure, in millimeters of mercury, was measured for a sample of 15 dahs who reported exercising regularly and for a sample of 12 patients who reported having a sedentary lifestyle. The results were as follows.
Can you conclude that the median systolic blood pressure is less for those who exercise than for those who are sedentary? Use the a = 0.05 level of significance
Answer to relevant QuestionsWhat are the primary differences between a randomized experiment and an observational study? Music sales: In recent years, sales of digital music ( downloads) have been increasing, while sales of physical units ( CDs, cassettes, and others) have been declining. The following table presents the number of units sold ( ...More royalty: Construct a stem- and- leaf plot for the data in Exercise 8. In Exercise 8. Follwoning are the number of runs scored by both teams in a sample of 20 major league baseball games played in 2012 Can you conclude that median is different from8? Use the a = 0.05 level of significance. Would it be possible to use the number of times the more frequent sign appears as the test statistic for the sign test? Explain why you would reject the null hypothesis when the value of this test statistic is greater than a ...
Post your question