Question: A certain airplane model is susceptible to alignment errors in the manufacturing process. To monitor this process, the total number of alignment errors observed at

A certain airplane model is susceptible to alignment errors in the manufacturing process. To monitor this process, the total number of alignment errors observed at final inspection for each of the first 25 aircraft produced were recorded, as shown in the table, right column.

a. Construct a c-chart for the number of alignment errors per aircraft.

b. Locate the center and upper and lower control limits on the c-chart.

c. Does the process appear to be in control? Would you recommend using these control limits for future data?

AIRALIGN Number of Alignment Errors Number of Airplane Airplane Alignment Errors 1

7 14 9 2 6 15 8 3 6. 16 15 4

AIRALIGN Number of Alignment Errors Number of Airplane Airplane Alignment Errors 1 7 14 9 2 6 15 8 3 6. 16 15 4 7 17 6. 4 18 4 6 7 19 13 7 8 20 7 8 12 21 8 9 9. 22 15 10 23 11 8 24 6 12 25 10 13

Step by Step Solution

★★★★★

3.33 Rating (159 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Statistics For Engineering And The Sciences Questions!

You are the vice president of finance for a manufacturer of scuba diving gear. The company is planning a major plant expansion in 5 years. You have decided to start a sinking fund to accumulate the...

For Problem 16-16, develop upper and lower control limits for the range. Do these samples indicate that the process is in control?

You are advising a small company. a) Would you recommend using a firewall? Explain. b) Would you recommend using antivirus filtering? Explain. c) Would you recommend an intrusion detection system?...

Explain why arbitrarily set upper and lower control limits (e.g. set to the product's specifications) are ineffective for control chart use.

Refer to Exercise 16.44. The numbers of alignment errors observed for each of the next 25 aircraft produced are shown in the table below. a. Add these 25 points to the c-chart of Exercise 16.44. Does...

Two major themes from the introduction to module 4 are "Project Management" and "Managing Risk." Discuss, in depth, your analysis of the company's actions in relation to the concepts of these two...

Quality control Case Study I: The numbers of alignment errors observed at final inspection of a certain model of airplane are shown below. Airplane number 301 302 303 304 305 306 307 308 309 310 311...

The numbers of alignment errors observed at final inspection of a certain model of airplane are shown below. Airplane number 3 0 1 3 0 2 3 0 3 3 0 4 3 0 5 3 0 6 3 0 7 3 0 8 3 0 9 3 1 0 3 1 1 3 1 2 3...

please answer as many questions as you can. Discuss how Copeland has competed on quality. Discuss how Copeland has competed on productivity. Discuss how Copeland has competed on new products and...

Question: Discuss which stage of manufacturing that Copeland currently is in, as described in reading #37. " stages of manufacturing" "Copeland Case" EXHIBIT 1 Stages in Manufacturing's Strategic...

Part:1 Discuss how Copeland has competed on productivity. Discuss how Copeland has competed on new products and processes. 36. Copeland Corporation: Evolution of a Manufacturing Strategy, 1975-1982...

For the year ended December 31, 2004, Colt Co. estimated its allowance for uncollectible accounts using the year-end aging of accounts receivable. The following data are available: $51,000 Allowance...

Imagine that you are a criminal justice employee responsible for managing a budget at LAPD. You have been asked to present to the budget planning team errors made in the Minneapolis incident in...

In 2 0 2 1 , Justine earns $ 2 2 , 0 0 0 as an employee of CHS Systems ( CHS ) . Before filing its current year tax return, CHS decides to establish a SEP plan for its employees and contribute the...

7. Why is data security an important database issue?

30. At time t 0, 20 identical components are put on test. The lifetime distribution of each is exponential with parameter . The experimenter then leaves the test facility unmonitored. On his return...

31. An estimator is said to be consistent if for any ! 0, P( !) 0 0 as n 0 . That is, is consistent if, as the sample size gets larger, it is less and less likely that will be further than...

32. a. Let X1, . . . , Xn be a random sample from a uniform distribution on [0, ]. Then the mle of is Y max(Xi ). Use the fact that Y y iff each Xi y to derive the cdf of Y. Then show that the...

59\ A thin metal slab has a net charge of zero and has square faces that have 12-cm -long sides. It is in a region that has a uniform electric field that is perpendicular to its faces. The total...

Given the following financial statements for GM, what is the current ratio? (Round your answer to the nearest hundredths place value.) General Motors: Income Statement 12/31/14 Total Revenue...

asap! Preston corporation has a bond outstanding with an annual interest payment of $80, a market price of $1, 250 and a maturity date in 10 years. Assume the par value of the bond is $1,000. Find...