Step 1: Analyze each statement.
- (A) Seasonal variation → correct, period < 1 year
- (B) Cyclical variation → correct, period > 1 year
- (C) Incorrect, seasonality is not forecasting
- (D) Cyclical behaviour = business cycle → correct
Given: The least-squares straight line is \(y = a + b(x - 2022)\).
| Year (x) | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|
| Profit (Rs. '000) (y) | 2 | 3 | 4 | 5 | 2 |

