Dupont Case Study. First, Dupont Term Paper

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Chapter 11: Question 1:

a. What is your favorite construction of carpet fibers?

This question is not well formulated as it needs to consider the option of "other" in addition to the high possibility that the consumer does not have a favorite construction at all.

What style of carpeting do you have in your office?

This question is well formulated, however has little to do with the residential application of designer carpet.

Do you intend to buy a new carpet soon?

This question needs to be more specific in the time frame of carpet purchase, soon is too vague to be useful.

d. Do you believe, as most Americans do, that U.S. citizens should buy American-made carpets?

This question leads the respondent with the phrase "as most Americans," which should be removed.

e. Will you buy designer carpets given that they cost slightly more than traditional carpets?

A choice of "uncertain" should be included, and the question should be rephrased to "Are you likely to by" rather than "Will you buy."

Chapter 11: Question 2:

1. Do you currently have carpeting in your home?

2. Are you considering adding and/or replacing carpeting in your home?

If Yes, how soon?

Less than 3 months/More than 3 months but less than a year/More than a year

3. Rate the following carpet attributes according to importance, to you personally (1 is the most important, 7 is the least important).

Color

Durability

Name brand

Price

Stain resistance

Style

Warranty

4. How likely are you to be willing to pay more for a carpet that was not only technically superior but fashionable superior as well to traditional carpets? (1 is not likely at all - 5 is very likely)

5. Where are you most likely to make your next carpeting purchase?

Carpeting Store/Home Improvement Retailer/Online/Other

6. Your gender:

Male/Female/Prefer not to answer

7.
Your marital status:

Married/Single/Prefer not to answer

8. Your age:

18-24/25-34/35-50/Over 50/Prefer not to answer

9. Your ethnicity:

African-American/Asian/American Indian/Hispanic/Caucasian/Other/Prefer not to answer

10. Your total household income:

Less than $20K/$20K-$35K/$36K-$65K/$66K-$100K/Over $100K/Prefer not to answer

Chapter 12: Question 3:

Stratified random sampling is recommended for this survey, because it divides the population into smaller subgroups prior to drawing the sample. In this way, DuPont can determine if there is any correlation between certain demographic features, such as income level, and answers given.

Chapter 13: Question 2:

A) How large a sample does DuPont need to draw in order to be 99% sure that the result is within 5% of the true value?

A sample of approximately 665 is needed, assuming the population size is approximately 200 million.

B) What if they wanted it to be only within 20% of the true value at a 99% level of confidence?

A sample of approximately 40 is needed, assuming the population size is approximately 200 million.

C) What if DuPont required only an 80% level of confidence at a 20% level of precision?

A sample of approximately 10 is needed, assuming the population size is approximately 200 million.

Chapter 14: Question 4:

To validate field work, a small sample of respondents should be questioned to see if they actually participated in the survey. A small sample of respondents should also be questioned about the length and quality of the interview, as well as their thoughts on the interviewer. Lastly, a small sample of respondent should be re-questioned about their demographic information to check for accuracy for what was reported.

Data for….....

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