For a 4-units class like Statistics, students should spend

Last updated: 7/18/2022

For a 4-units class like Statistics, students should spend average of 12 hours studying for the class. A survey was done on 21 students, and the distribution of total study hours per week is bell-shaped with a mean of 14 hours and a standard deviation of 3.2 hours. Use the Empirical Rule to answer the following questions. a) 68% of the students spend between week. b) 95% of the students spend between week. c) 99.7% of the students spend between week. Check Answer hours and hours and hours and hours on Statistics each hours on Statistics each hours on Statistics each