# Operations management

Question 1:
A company that makes car parts. The company control its production process by periodically taking a sample of 100 units from the production line. Each product is inspected for defective features. Control limits are developed using three standard deviations from the mean as the limit. During the last 12 samples taken, the proportion of defective items per sample was recorded as follows:

0.01

0.01

0.0

0.04

0.01

0.01

0.00

0.01

0.02

0.02

0.03

0.03
a. Determine the mean proportion defective, the UCL, and the LCL? (word count maximum:125)

b. Draw a control chart and plot each of the sample measurements on it? (word count maximum:75)

c. Does it appear that the process for making tees is in statistical control? (word count maximum:75)

Question 2:
A Chemical Company estimates the annual demand for a certain product as follows:

Week

1

2

3

4

5

6

Demand

649

524

561

738

511

590

a. Forecast the demand for week 7 using a five-period moving average? (word count maximum:75)

b. Forecast the demand for week 7 using a three-period weighted moving average. Use the following weights: W1 = .5, W2 = .3, W3 = .2.? (word count maximum:75)

c. Forecast the demand for week 7 using exponential smoothing. Use an α value of .1 and assume the forecast for week 6 was 602 units? (word count maximum:75)

d. What assumptions are made in each of the above forecasts? (word count maximum:125)

myhomeworkgeeks (28431)
New York University
DO YOU HAVE A SIMILAR ASSIGNMENT?!

## Calculate the price of your order

550 words
We'll send you the first draft for approval by September 11, 2018 at 10:52 AM
Total price:
\$26
The price is based on these factors:
Number of pages
Urgency
Basic features
• Free title page and bibliography
• Unlimited revisions
• Plagiarism-free guarantee
• Money-back guarantee
On-demand options
• Writer’s samples
• Part-by-part delivery
• Overnight delivery
• Copies of used sources
Paper format
• 275 words per page
• 12 pt Arial/Times New Roman
• Double line spacing
• Any citation style (APA, MLA, Chicago/Turabian, Harvard)

# Our guarantees

Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.

### Money-back guarantee

You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.

### Zero-plagiarism guarantee

Each paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.

### Free-revision policy

Thanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.

Your email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.

### Fair-cooperation guarantee

By sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.

Have a homework question? Get help from verified tutors now!
error: Content is protected !!

Are You Looking For Assignment Help? We Can Certainly Assist You