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a. Does viscosity follow a normal distribution? b. Set up a control chart on viscosity and a moving range chart. Does the process exhibit statistical control? Estimate the process mean and standard deviation. The next five measurements on viscosity are 3163, 3199,3054,3147, and 3156. Do these measurements indicate that the process is in statistical control? C. d

a. Does viscosity follow a normal distribution? b. Set up a control chart on viscosity and a moving range chart. Does the process exhibit statistical control? Estimate the process mean and standard deviation. The next five measurements on viscosity are 3163, 3199,3054,3147, and 3156. Do these measurements indicate that the process is in statistical control? C. d

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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3. The viscosity of a polymer is measured hourly. Measurements for the last 20 hours are shown as follows: Test Viscosity Test Viscosity 1 2838 11 3174 2 2785 12 3102 3 13 2762 4 14 2975 5 15 2719 6 16 2861 7 17 2797 8 18 3078 9 19 2964 10 20 2805 3058 3064 2996 2882 2878 2920 3050 2870 a. Does viscosity follow a normal distribution? b. Set up a control chart on viscosity and a moving range chart. Does the process exhibit statistical control? Estimate the process mean and standard deviation. C. d. The next five measurements on viscosity are 3163, 3199,3054,3147, and 3156. Do these measurements indicate that the process is in statistical control?
Transcribed Image Text:3. The viscosity of a polymer is measured hourly. Measurements for the last 20 hours are shown as follows: Test Viscosity Test Viscosity 1 2838 11 3174 2 2785 12 3102 3 13 2762 4 14 2975 5 15 2719 6 16 2861 7 17 2797 8 18 3078 9 19 2964 10 20 2805 3058 3064 2996 2882 2878 2920 3050 2870 a. Does viscosity follow a normal distribution? b. Set up a control chart on viscosity and a moving range chart. Does the process exhibit statistical control? Estimate the process mean and standard deviation. C. d. The next five measurements on viscosity are 3163, 3199,3054,3147, and 3156. Do these measurements indicate that the process is in statistical control?
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