Table 8 Sample size for each stratum and the respective number of member retrieved
From: Investigating probabilistic sampling approaches for large-scale surveys in software engineering
Stratum | #Distinct members | Sample size | Retrieved members |
|---|---|---|---|
E1 | 114,827 | 1,031 | 2,563 |
E2 | 5,488 | 874 | 1,401 |
E3 | 11,633 | 955 | 1,444 |
E4 | 3,864 | 820 | 883 |
E5 | 56,400 | 1,021 | 1,358 |
E6 | 5,791 | 882 | 1,391 |
E7 | 17,234 | 981 | 1,016 |
E8 | 7,335 | 911 | 1,438 |