MBA413 – A manager is thinking of providing, on a regular basis, in-house

MBA413, week 11, 1Interval Estimate of 1 2 : Small SampleA manager is thinking of providing, on a regular basis, in-house training for employees preparingfor an inventory management certification exam. In the past, some employees received the inhouse training before taking the exam, while others did not. Independent random samples takenfrom the company’s records provided the following exam scores for 10 workers who did notreceive in-house training and 8 workers who did receive training.Exercise 2:No Training76806091737782687586Training8066717994748378Develop a 95% confidence interval estimate for the difference between the average test scoresfor the populations of employees.Exercise 4:Hypothesis Test about 1 2 : Small SampleRefer to the certification exam score data in Exercise 2. Using α = 0.05, test for any differencebetween the average test scores for the two populations of employees.