question 8

QUESTION 8 [6 MARKS] The lecturers are concerned that students who enrolled for the course this semester are spending more time playing online games than revising for their upcoming test. In order to pass the test, students need to spend at least 6 hours per week on the course materials. Theyr conducted a survey of 120 students from Section 106 and 15P for which the result shows that the mean time they spent studying for the course in a week is 5.?667 hours with a standard deviation of 1.6437 hours. Using the critical value 0.025 2 =1.96 , perform hypothesis testing for mean to test whether or not students spent at least 6 hours weekly to study for the course. [6 Marks, coszos)