A TiW layer is deposited on a substrate using a sputtering tool. Table 6E.14 contains layer thickness
Question:
(a) Setup x and R control charts on this process. Is the process in control? Revise the control limits as necessary.
(b) Estimate the mean and standard deviation of the process.
(c) Is the layer thickness normally distributed?
(d) f The specifications are at 450 + 30, estimate the process capability.
Transcribed Image Text:
sTABLE 6E.14 Laver Thickness Data for Exercise 6.34 subgroup x, x2 x, x. 459 449 435 450 443 440 442 442 457 444 44 444 469 463 453 438 443 457 445 454 444 456 456 457 45 449 450 445 46 455 449 452 44 452 457 440 432 463 463 443 445 452 453 438 456 457 436 457 459 445 44 447 441 465 438 450 460 453 457 438 453 444 451 435 451 460 450 457 422 431 437 429 444 446 448 467 450 450 454 454 12. 13 14 15 16 17 18 19 20
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 66% (12 reviews)
a Answer Continue Next Page The process is out of control on the chart at subgroup 18 Ex...View the full answer
Answered By
Ayush Mishra
I am a certified online tutor, with more than 3 years of experience in online tutoring. My tutoring subjects include: Physics, Mathematics and Mechanical engineering. I have also been awarded as best tutor for year 2019 in my previous organisation. Being a Mechanical Engineer, I love to tell the application of the concepts of science and mathematics in the real world. This help students to develop interest and makes learning fun and easy. This in turn, automatically improves their grades in the subject. I teach students to get prepared for college entry level exam. I also use to teach undergraduate students and guide them through their career aim.
5.00+
2+ Reviews
10+ Question Solved
Related Book For
Introduction to Statistical Quality Control
ISBN: 978-1118146811
7th edition
Authors: Douglas C Montgomery
Question Posted:
Students also viewed these Statistics questions
-
Consider the data on wafer contamination and location in the sputtering tool shown in Table 2-2. Assume that one wafer is selected at random from this set. Let A denote the event that a wafer...
-
Consider the semiconductor wafer data in Table 2-1. Suppose that 10 wafers are selected randomly (without replacement) for an electrical test. Determine the following: (a) Probability that exactly 4...
-
(a) Thirty observations on the oxide thickness of individual silicon wafers are shown in table 6E.23. Use these data to set up a control chart on oxide thickness and a moving range chart. Does the...
-
A thermocouple Type K is calibrated in lab condition at 50% relative humidity (RH) prior to outdoor operation. After 12-month in outdoor installation, the thermocouple is again tested at 75% RH. Both...
-
What is the purpose of an assignment of invention agreement? Is it a good idea for firms to ask their employees to sign assignment of invention agreements?
-
Repeat Example 3 modified as follows: Data from Example 3 A farmer owns a 100-acre farm and plans to plant at most three crops. The seed for crops A, B, and C costs $40, $20, and $30 per acre,...
-
Does gamification work with all demographics (age, income, gender, education)? What game design elements should be considered when marketing to different demographic segments?
-
Gus the cab driver rents a cab and pays for gas. In each of the following circumstances, describe the short-run effect on the price and quantity of rides Gus offers. a. The price of gas falls. b. The...
-
At steady state, air at 200 kPa, 380 K, and mass flow rate of 0.5 kg/s enters an insulated duct having differing inlet and exit cross- sectional areas. The inlet cross-sectional area is 6 cm. At the...
-
Prepare T-accounts and a trial balance for the following transactions in the books of 'Mary Ward' for December. 1 Dec Introduced a motor vehicle to the new business worth 18,500 1 Dec Transferred a...
-
Samples f n= 5 units are taken from a process every hour. The x and R values for a particular quality characteristic are determined. After 25 sample have been collected, we calculate x =20 and R =...
-
Table 6E.15 contains 10 new subgroups of thickness data. Plot this data on the control charts constructed in Exercise 6.26(a). Is the process in statistical control? TABLE 6E. 15 Additional Thickness...
-
For the following exercises, use the traditional method of hypothesis testing unless otherwise specified. Three different groups of monkeys were fed three different medications for one month to see...
-
It takes 5 minutes, 8 seconds to play a song at 120 beats per minute. How long does it take to play the same song at 140 beats per minute? (Round your answer to the nearest second.) 4 minutes 24...
-
Due to the COVID pandemic, there is urgent need for a medical product that only two firms have the capabilities to produce. It is understood that this is a "one shot game" in that once the initial...
-
It takes 2 cups of water to cook 1 cup of rice. CLEARCHECK How much rice can you cook with 0.5 cups of water?
-
CASE Pansy Jewelry Limited ("PJL") is a company listed on the Main Board in Hong Kong and is principally engaged in the manufacture and distribution of jewelry. PJL and its subsidiaries (the "Group")...
-
The population of Leadville, CO is 2,600 people and is decreasing at a rate of 4.4% per year. Given the equation P(t) = 2600(.956), where P represents the population of Leadville and t represents the...
-
For each of the following arguments, inferring just two statements from the premises will produce a formal proof of its validity. Construct a formal proof for each of these arguments. In these formal...
-
Evaluate each logarithm to four decimal places. log 0.257
-
An aircraft manufacturer needs to buy aluminum sheets with an average thickness of 0.05 inch. The manufacturer knows that significantly thinner sheets would be unsafe and considerably thicker sheets...
-
Suppose that you observe a random sample of size n from a normally distributed population. If you are able to reject H0: = 0 in favor of a two-tailed alternative hypothesis at the 10% significance...
-
In the past, 60% of all undergraduate students enrolled at State University earned their degrees within four years of matriculation. A random sample of 95 students from the class that matriculated in...
-
The first video I have for your discussion is "Shock and Awe:The Story of Electricity" Part 1 is called "Spark"It runs from 0:00 to about 58 min, on the following link....
-
Find the present value of a 1 0 - year annuity of $ 8 0 0 0 per annum, given the interest rate of 6 % for the first year, 7 % for the second year, 8 % for the third year, 9 % for the fourth year, and...
-
The management accounting team of XYZ plc also came up with some questions and requested you to explain/answer them for the upcoming board meeting: 1. A chain of XYZ plc, BHealthy Ltd is a wholesale...
Study smarter with the SolutionInn App