Geography · Agricultural Geography

Consider the following statements regarding Weaver's Crop Combination Region Method: i. He proposed a statistical method superior to simple qualitative inspection of enterprise weights. ii. He added a time dimension demonstrating that agricultural land quality in Britain has not changed in a century. iii. He sought to find the combination of crops that minimized the variance between actual and theoretical crop percentages. iv. He used standard deviation measure to establish standard crop combinations. Which of the statements given above are CORRECT?