Question: A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3.0 cm .001. The

A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3.0 cm ± .001. The quality control procedure is to take a sample of size 4 and measure each of the parts. On the basis of past samples of size 4, x-bar = 3.0 and R-bar = .0020.
a. Construct an average and range chart for this part.
b. On the basis of the following data, is the process in control?

c. Is the process running outside of its specifications?

Sample 12 3 4 X 3.0005 2.9904 3.0010 3.0015 3.0008 R 0.0024 0.0031 0.0010 0.0040 0.0010

Step by Step Solution

★★★★★

3.32 Rating (188 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a 30 002 Chart UCL 30 0729002 3001458 LCL 30 0729002 2998542 R Chart UCL 2282... View full answer

Question Has Been Solved by an Expert!

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

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

555-B-M-L-S-C-M (3505).docx

120 KBs Word File

Students Have Also Explored These Related Management Leadership Questions!

The Pierce Corporation manufactures filing cabinets in two operations: machining and finishing. It provides the following information: Each cabinet sells for $ 70 and has direct material costs of $...

The Denver Corporation manufactures filing cabinets in two operations: machining and finishing. It provides the following information: Each cabinet sells for $75 and has direct material costs of $35...

Venkat and Company manufactures rotators for automobile engines: R1 and R2. Based on a plantwide overhead rate, the cost estimates for two of the firms models for the current year are as follows:...

excel problem what kind of information? because this a problem from the book Problems Iwo Excel spreadsheets are provided on Connect for assistance in solving the chapter problems. 1. Golden Gopher...

Complete problem #6 reconsidered the method of quality control and has decided to use process control by variables instead of attributes. For variables control, a circuit voltage will be measured...

A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3.0 cm .001. The quality control procedure is to take a...

8. A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3.0 cm +- .001. The quality control procedure is to take...

A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3.0 cm .001. The quality control procedure is to take a...

Chapter 9 Homework The operations manager of the booking services department of Hometown Bank is concerned about the number of wrong customer account numbers recorded by Hometown personnel. Each week...

A machining operation requires close tolerances on a certain part for automobile engines. The current specification for this measurement is 3 . 0 c m + - . 0 0 1 . The quality control procedure is to...

CH,CH,CHCH,cO OH ,,, f) CI Or CI II g) CH, Or CH, II Choose the more acidic and explain the reason for your choice COOH COOH h) Or NH, i) Or II COOH COOH j) NO2 Or NO, ||

Write a report for my Financial Accounting Course and I need to know whether or not the two below points are correctly recorded under ASPE. Mention journal entries as well. 4. Jeffrey describes his...

26. Consider the following hypothesis test: Ho: = 100 Ha: 100 A sample of 65 is used. Identify the p-value and state your conclusion for each of the fol- lowing sample results. Use a = .05. a. 103...

A salesperson in his fifties had a profitable account taken away from him and turned over to a 33-year-old salesperson. The supervisor who made this decision told the employee that he was too old to...

Would a firm ever want to outsource a core product or process? Why or why not?

When would firms want to insource a product or process? How is this different from co-sourcing?

What is sourcings role in value engineering, and what benefits does this give to the firm?

Two projects are listed below. As an analyst within the government, your job is to identify metrics for the projects investment decision criteria. Two such projects have the following criteria:...

Consider the following information concerning three portfolios, the market portfolio, and the risk-free asset: Portfolio R P P P X 12.50 % 34.00 % 1.50 Y 11.50 29.00 1.20 Z 7.10 19.00 .80 Market...

Listen Assume that a fair die is rolled. The sample space is {1, 2, 3, 4, 5, 6), and all the 6 outcomes are equally likely. Find P(2). 9