Answer & Solution
$$\frac{71.30 + 43.51 + 67.66 + 76.23 + 77.23 + 88.93 + 91.75 + 100.17}{8}$$
= 77.0975 million tons
≈ 77.10 million tons
| Year | Production (in million tons) |
| 1920 | 71.30 |
| 1921 | 43.51 |
| 1922 | 67.66 |
| 1923 | 76.23 |
| 1924 | 77.23 |
| 1925 | 88.93 |
| 1926 | 91.75 |
| 1927 | 100.17 |
