Question 1 (5 points) A company wants to reduce the time a customer is on the phone with their customer service department. They select 35 employees at random to take a training on customer service. They record the average time for that employee the month before the training and again a month after the training. The data is recorded in the Excel sheet labeled Question 1 in the Excel File 244Midterm II (Week 4-7). a. Find a 90% confidence interval for the average difference in time before training versus time after training. b. Write a sentence to answer the question; is there evidence that the training reduces the time a customer is on the phone with customer service on average?A C D G H K M N O Q R 1 ID # Before Training After Training Difference Create a 90% confidence interval for the average difference in time. 1 7.2 4.8 W N 6.8 5.2 W N 7.4 5.8 4 7.6 5.4 5 8.4 5.6 6 7.3 5.8 7 6.7 5.1 6.9 6 Is there evidence that the training reduces the time? LD CO 10 7.5 7.2 11 10 7 6.7 IN 6.7 5.1 13 12 6.2 5 14 13 7.6 7 15 14 7.3 6.3 16 15 6.3 4.8 17 16 6.7 6.2 18 17 7.7 4.9 19 18 6.8 6 20 19 8 7 21 20 7.5 5.6 22 21 6.7 6.8 Activate Windows E C Instructions Question 1 Question 2 Question 3 + Go to Settings to activate Windows.15 14 7.3 6.3 16 15 6.3 4.8 17 16 6.7 6.2 18 17 7.7 4.9 19 18 6.8 6 20 19 8 7 21 20 7.5 5.6 22 21 6.7 6.8 23 22 7.6 5.5 24 23 7.4 5.9 25 24 7.4 6.1 26 25 6.6 5.5 27 26 7.9 5.9 28 27 8 6.7 29 28 7.2 6.8 30 29 6.8 6.2 31 30 6.6 6.1 32 31 7.1 5.2 33 32 6.8 5.9 34 33 7 7.1 Answer part b below. 35 34 7.8 6.2 Activate Windows 36 35 6.6 5.4