Thickness measurements of a coating process are made to the nearest hundredth of a millimeter.The thickness measurements are uniformly distributed with values 412, 412.4876, 412.9752,427.1156. Determine the variance of the coating thickness for this process.Select one:a. 19.02030080b. 20.26850804c. 419.55780000d. 19.04011361e. 21.55938028

The thickness measurements are uniformly distributed with values…

Answered: Thickness measurements of a coating…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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SAMPLE NAME pH EC DATE SAMPLED Effluent 1 7.1 80 27/02/2020 Effluent 2 5.1 410 27/02/2020 Effluent 3 5.0 1400 27/02/2020 Effluent 1 7.0 80 25/01/2020 Effluent 2 6.5 730 25/01/2020 Effluent 3 7.1 800 25/01/2020 Effluent 1 7.2 400 24/12/2019 Effluent 2 6.9 700 24/12/2019 Effluent 3 7.2 790 24/12/2019 Effluent 1 7.1 250 23/11/2019 Effluent 2 6.8 750 23/11/2019 Effluent 3 7.0 800 23/11/2019 Effluent 1 7.0 350 25/10/2019 Effluent 2 6.9 810 25/10/2019 Effluent 3 7.1 810 25/10/2019 Effluent 1 7.0 750 28/09/2019 Effluent 2 7.0 350 28/09/2019 Effluent 3 7.0 770 28/09/2019 Effluent 1 7.0 750 25/08/2019 Effluent 2 7.0 350 25/08/2019 Effluent 3 7.0 750 25/08/2019 Effluent 1 7.0 350 27/07/2019 Effluent 2 7.1 680 27/07/2019 Effluent 3 6.8 760 27/07/2019 Effluent 1 7.2 400 27/06/2019 Effluent 2 6.8 650 27/06/2019 Effluent 3 6.7 760 27/06/2019 Effluent 1 7.0 350 26/05/2019 Effluent 2 6.9 750 26/05/2019 Effluent 3 7.0 770 26/05/2019 Effluent…
Note: please don’t use excel.
First find the MAD for each pair of values, a and ß. Coal Production (thousands of tons) 434,330 Year 1. 420.427 3. 439,044 4 477 200 504.182 526.949 7. 546,822 564.884 556,711 8 10 570,975 The total number of thousands of tons of coal produced per year over a 10-year period for a certain region is provided in the accompanying dataset. Use double exponential smoothing to determine which pairs of values for a and B minimize MAD for this dataset a=0.1, p=0.8, a = 0.4. B 0 2; a=0.9, = 0.6 Click the icon to view the coal production data
40
Q2 The following measurements represent the length (in cm) of the electrical contacts of relays in samples of size 5, taken hourly from the operating process. Create the X-bar and R charts and decide if the process is in control. Hour i X1 X2 X3 X4 X5 1 1.9890 2.1080 2.0590 2.0110 2.0070 1.8410 1.8900 2.0590 1.9160 1.9800 3 2.0070 2.0970 2.0440 2.0810 2.0510 4 2.0940 2.2690 2.0910 2.0970 1.9670 5 1.9970 1.8140 1.9780 1.9960 1.9830 2.0540 1.9700 2.1780 2.1010 1.9150 7 2.0920 2.0300 1.8560 1.9060 1.9750 8. 2.0330 1.8500 2.1680 2.0850 2.0230 9 2.0960 2.0960 1.8840 1.7800 2.0050 10 2.0510 2.0380 1.7390 1.9530 1.9170 11 1.9520 1.7930 1.8780 2.2310 1.9850 12 2.0060 2.1410 1.9000 1.9430 1.8410 13 2.1480 2.0130 2.0660 2.0050 2.0100 14 1.8910 2.0890 2.0920 2.0230 1.9750 15 2.0930 1.9230 1.9750 2.0140 2.0020 16 2.2300 2.0580 2.0660 2.1990 2.1720 17 1.8620 2.1710 1.9210 1.9800 1.7900 18 2.0560 2.1250 1.9210 1.9200 1.9340 19 1.8980 2.0000 2.0890 1.9020 2.0820 20 2.0490 1.8790 2.0540 1.9260 2.0080

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