Sampling and Data: Sampling Experiment Lab II
m16013
Sampling and Data: Sampling Experiment Lab II
1.12
2008/03/31 11:49:40 GMT-5
2009/02/18 19:14:13.776 US/Central
Susan
Dean
Susan Dean
deansusan@deanza.edu
Barbara
Illowsky
Dr. Barbara Illowsky
illowskybarbara@deanza.edu
Susan
Dean
Susan Dean
deansusan@deanza.edu
Barbara
Illowsky
Dr. Barbara Illowsky
illowskybarbara@deanza.edu
Connexions
Connexions
cnx@cnx.org
Maxfield Foundation
Maxfield Foundation
cnx@cnx.org
cluster
exercise
frequency
lab
random
sample
sampling
statistics
stratified
systematic
Mathematics and Statistics
This module provides students an opportunity to practice data sampling techniques. Students will demonstrate the simple random, systematic, stratified, and cluster sampling techniques, and explain the details of each procedure. This lab is based on one originally created by Carol Olmstead.
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Class Time:
Names:
Student Learning Outcomes
- The student will demonstrate the simple random, systematic, stratified, and cluster sampling techniques.
- The student will explain each of the details of each procedure used.
In this lab, you will be asked to pick several random samples. In each case, describe your procedure briefly, including how you might have used the random number generator, and then list the restaurants in the sample you obtained
The following section contains restaurants stratified by city into columns and grouped horizontally by entree cost (clusters).
A Simple Random Sample
Pick a simple random sample of 15 restaurants.
- Descibe the procedure:
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1. __________
6. __________
11. __________
2. __________
7. __________
12. __________
3. __________
8. __________
13. __________
4. __________
9. __________
14. __________
5. __________
10. __________
15. __________
A Systematic Sample
Pick a systematic sample of 15 restaurants.
- Descibe the procedure:
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1. __________
6. __________
11. __________
2. __________
7. __________
12. __________
3. __________
8. __________
13. __________
4. __________
9. __________
14. __________
5. __________
10. __________
15. __________
A Stratified Sample
Pick a stratified sample, by entree cost, of 20 restaurants with equal representation from each stratum.
- Descibe the procedure:
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1. __________
6. __________
11. __________
16. __________
2. __________
7. __________
12. __________
17. __________
3. __________
8. __________
13. __________
18. __________
4. __________
9. __________
14. __________
19. __________
5. __________
10. __________
15. __________
20. __________
A Stratified Sample
Pick a stratified sample, by city, of 21 restaurants with equal representation from each stratum.
- Descibe the procedure:
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1. __________
6. __________
11. __________
16. __________
2. __________
7. __________
12. __________
17. __________
3. __________
8. __________
13. __________
18. __________
4. __________
9. __________
14. __________
19. __________
5. __________
10. __________
15. __________
20. __________
21. __________
A Cluster Sample
Pick a cluster sample of resturants from two cities. The number of restaurants will vary.
- Descibe the procedure:
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1. __________
6. __________
11. __________
16. __________
21. __________
2. __________
7. __________
12. __________
17. __________
22. __________
3. __________
8. __________
13. __________
18. __________
23. __________
4. __________
9. __________
14. __________
19. __________
24. __________
5. __________
10. __________
15. __________
20. __________
25. __________
Restaurants Stratified by City and Entree Cost
Restaurants Used in Sample
Entree Cost →
Under $10
$10 to under $15
$15 to under $20
Over $20
San Jose
El Abuelo Taq, Pasta Mia, Emma's Express, Bamboo Hut
Emperor's Guard, Creekside Inn
Agenda, Gervais, Miro's
Blake's, Eulipia, Hayes Mansion, Germania
Palo Alto
Senor Taco, Olive Garden, Taxi's
Ming's, P.A. Joe's, Stickney's
Scott's Seafood, Poolside Grill, Fish Market
Sundance Mine, Maddalena's, Spago's
Los Gatos
Mary's Patio, Mount Everest, Sweet Pea's, Andele Taqueria
Lindsey's, Willow Street
Toll House
Charter House, La Maison Du Cafe
Mountain View
Maharaja, New Ma's, Thai-Rific, Garden Fresh
Amber Indian, La Fiesta, Fiesta del Mar, Dawit
Austin's, Shiva's, Mazeh
Le Petit Bistro
Cupertino
Hobees, Hung Fu, Samrat, Panda Express
Santa Barb. Grill, Mand. Gourmet, Bombay Oven, Kathmandu West
Fontana's, Blue Pheasant
Hamasushi, Helios
Sunnyvale
Chekijababi, Taj India, Full Throttle, Tia Juana, Lemon Grass
Pacific Fresh, Charley Brown's, Cafe Cameroon, Faz, Aruba's
Lion & Compass, The Palace, Beau Sejour
Santa Clara
Rangoli, Armadillo Willy's, Thai Pepper, Pasand
Arthur's, Katie's Cafe, Pedro's, La Galleria
Birk's, Truya Sushi, Valley Plaza
Lakeside, Mariani's
The original lab was designed and contributed by Carol Olmstead.