Question: a. Problem 1 (10 points) - SHOW YOUR WORK Gladys Schwartz is the manager of a large loan brokerage firm. She strives for high quality

a. Problem 1 (10 points) - SHOW YOUR WORK Gladys

a. Problem 1 (10 points) - SHOW YOUR WORK Gladys Schwartz is the manager of a large loan brokerage firm. She strives for high quality output and is concerned with reducing errors in loan documents. Gladys took 30 samples of 100 loan documents each over a time period that she considered normal and found a total of 150 loan documents containing errors. Given the above information, set up a control chart (assuming three standard deviations). b. After developing the control chart in part a, three additional samples were collected. What observations can you make about each of these three samples? Sample Size No. of Bad Sample Letters 100 5 n 1 2 100 10 3 100 3 15 Answer the following questions: 1. What type of control chart you should use for this problem? 2. What is the value of central line, CL? 3. What is the value of standard deviation? 4. What are the values of UCL and LCL? 5. Based on the information in part b of the problem, is your process in control? Support your

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