Table 2 Sample size from each county.
Province | County | Resident population | Calculated proportional sample | Actual sample |
|---|---|---|---|---|
Shaanxi | Zhouzhi | 450,400 | \(\:\frac{384\:\times\:\:\text{450,400}}{\text{1,235,700}}\) = 140 | 142 |
Mei | 281,200 | \(\:\frac{384\:\times\:\:\text{281,200}}{\text{1,235,700}}\) = 87 | 101 | |
Henan | Xixia | 504,100 | \(\:\frac{384\:\times\:\text{504,100}}{\text{1,235,700}}\) = 157 | 161 |
Total | 1,235,700 | 384 | 404 |
