Sampling Experiment

Class Time:

Names:

In this lab, you will be asked to pick several random samples of restaurants. 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.

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

A Simple Random SamplePick a simple random sample of 15 restaurants.

1. Describe your procedure.
2. Complete the table with your sample. | 1. \_\_\_\_\_\_\_\_\_\_ | 6. \_\_\_\_\_\_\_\_\_\_ | 11. \_\_\_\_\_\_\_\_\_\_ | | 2. \_\_\_\_\_\_\_\_\_\_ | 7. \_\_\_\_\_\_\_\_\_\_ | 12. \_\_\_\_\_\_\_\_\_\_ | | 3. \_\_\_\_\_\_\_\_\_\_ | 8. \_\_\_\_\_\_\_\_\_\_ | 13. \_\_\_\_\_\_\_\_\_\_ | | 4. \_\_\_\_\_\_\_\_\_\_ | 9. \_\_\_\_\_\_\_\_\_\_ | 14. \_\_\_\_\_\_\_\_\_\_ | | 5. \_\_\_\_\_\_\_\_\_\_ | 10. \_\_\_\_\_\_\_\_\_\_ | 15. \_\_\_\_\_\_\_\_\_\_ |

A Systematic SamplePick a systematic sample of 15 restaurants.

1. Describe your procedure.
2. Complete the table with your sample. | 1. \_\_\_\_\_\_\_\_\_\_ | 6. \_\_\_\_\_\_\_\_\_\_ | 11. \_\_\_\_\_\_\_\_\_\_ | | 2. \_\_\_\_\_\_\_\_\_\_ | 7. \_\_\_\_\_\_\_\_\_\_ | 12. \_\_\_\_\_\_\_\_\_\_ | | 3. \_\_\_\_\_\_\_\_\_\_ | 8. \_\_\_\_\_\_\_\_\_\_ | 13. \_\_\_\_\_\_\_\_\_\_ | | 4. \_\_\_\_\_\_\_\_\_\_ | 9. \_\_\_\_\_\_\_\_\_\_ | 14. \_\_\_\_\_\_\_\_\_\_ | | 5. \_\_\_\_\_\_\_\_\_\_ | 10. \_\_\_\_\_\_\_\_\_\_ | 15. \_\_\_\_\_\_\_\_\_\_ |

A Stratified SamplePick a stratified sample, by city, of 20 restaurants. Use 25% of the restaurants from each stratum. Round to the nearest whole number.

1. Describe your procedure.
2. Complete the table with your sample. | 1. \_\_\_\_\_\_\_\_\_\_ | 6. \_\_\_\_\_\_\_\_\_\_ | 11. \_\_\_\_\_\_\_\_\_\_ | 16. \_\_\_\_\_\_\_\_\_\_ | | 2. \_\_\_\_\_\_\_\_\_\_ | 7. \_\_\_\_\_\_\_\_\_\_ | 12. \_\_\_\_\_\_\_\_\_\_ | 17. \_\_\_\_\_\_\_\_\_\_ | | 3. \_\_\_\_\_\_\_\_\_\_ | 8. \_\_\_\_\_\_\_\_\_\_ | 13. \_\_\_\_\_\_\_\_\_\_ | 18. \_\_\_\_\_\_\_\_\_\_ | | 4. \_\_\_\_\_\_\_\_\_\_ | 9. \_\_\_\_\_\_\_\_\_\_ | 14. \_\_\_\_\_\_\_\_\_\_ | 19. \_\_\_\_\_\_\_\_\_\_ | | 5. \_\_\_\_\_\_\_\_\_\_ | 10. \_\_\_\_\_\_\_\_\_\_ | 15. \_\_\_\_\_\_\_\_\_\_ | 20. \_\_\_\_\_\_\_\_\_\_ |

A Stratified SamplePick a stratified sample, by entree cost, of 21 restaurants. Use 25% of the restaurants from each stratum. Round to the nearest whole number.

1. Describe your procedure.
2. Complete the table with your sample. | 1. \_\_\_\_\_\_\_\_\_\_ | 6. \_\_\_\_\_\_\_\_\_\_ | 11. \_\_\_\_\_\_\_\_\_\_ | 16. \_\_\_\_\_\_\_\_\_\_ | | 2. \_\_\_\_\_\_\_\_\_\_ | 7. \_\_\_\_\_\_\_\_\_\_ | 12. \_\_\_\_\_\_\_\_\_\_ | 17. \_\_\_\_\_\_\_\_\_\_ | | 3. \_\_\_\_\_\_\_\_\_\_ | 8. \_\_\_\_\_\_\_\_\_\_ | 13. \_\_\_\_\_\_\_\_\_\_ | 18. \_\_\_\_\_\_\_\_\_\_ | | 4. \_\_\_\_\_\_\_\_\_\_ | 9. \_\_\_\_\_\_\_\_\_\_ | 14. \_\_\_\_\_\_\_\_\_\_ | 19. \_\_\_\_\_\_\_\_\_\_ | | 5. \_\_\_\_\_\_\_\_\_\_ | 10. \_\_\_\_\_\_\_\_\_\_ | 15. \_\_\_\_\_\_\_\_\_\_ | 20. \_\_\_\_\_\_\_\_\_\_ | | | | | 21. \_\_\_\_\_\_\_\_\_\_ |

A Cluster SamplePick a cluster sample of restaurants from two cities. The number of restaurants will vary.

1. Describe your procedure.
2. Complete the table with your sample. | 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. \_\_\_\_\_\_\_\_ |