Week 10: Chapter 8 - 8.1 Progress save Score: 6/15 6/9 answered Question 9 A scientific study was conducted to determine the hours of sleep that college students get per night. The study surveyed 29 college students and obtained the following data: 8.1, 7.9, 6.5, 6, 7.2, 7.1, 6.4, 7.3, 7.6, 5.9, 7.6, 7.4, 6.8, 5.4, 6.7, 5.2, 4.8, 6.4, 6.8, 6, 6, 6.8, 8.1, 5.7, 6.4, 7, 6, 5.6, 7.6 Assuming the population standard deviation is o = 0.79, construct a 86% confidence interval for the or average hours of sleep per night that college students get. I = N R Za Margin of Error: E = We are 86% confident that college students get an average of between hours and hours of sleep per night