(Solved): Please answer as soon as you can. Question 4. SkillAid noticed that the employees are spending too ...

Please answer as soon as you can.

Question 4. SkillAid noticed that the employees are spending too much time on social media. They launched a counselling service to restrain employees to spend long time on social media. The office recorded the number of employees who used social media sites 6 days before and after the counselling service. Before 22 72 95 39 45 55 After 37 55 97 27 63 57 Assume that the population of paired difference is approximately normally distributed. At 1% level of significance, use the rejection region and test the hypothesis that the counselling does not have any effect on employees to use social media sites in the office. (5 points)