For Exercises 3.17 and 3.18 see page 130; for 3.19 and 3.20, see pages 131–132; for 3.21 and 3.22, see page 134; for 3.23 and 3.24, see page 136; and for 3.25, see page 138.
3.23 Who goes to the market research workshop?
wshop
A small advertising firm has 30 junior associates and 10 senior associates. The junior associates are
| Abel | Fisher | Huber | Miranda | Reinmann |
| Chen | Ghosh | Jimenez | Moskowitz | Santos |
| Cordoba | Griswold | Jones | Neyman | Shaw |
| David | Hein | Kim | O’Brien | Thompson |
| Deming | Hernandez | Klotz | Pearl | Utts |
| Elashoff | Holland | Lorenz | Potter | Varga |
The senior associates are
| Andrews | Fernandez | Kim | Moore | West |
| Besicovitch | Gupta | Lightman | Vicario | Yang |
The firm will send four junior associates and two senior associates to a workshop on current trends in market research. It decides to choose those who will go by random selection. Use Table B to choose a stratified random sample of four junior associates and two senior associates. Start at line 141 to choose your sample.
3.23
Using line 141: The junior associates chosen are 23, 29, 12, 16. Continuing from line 141, the senior associates chosen are 02, 08 (or 5 and 1 using 0–9 numbering).