Question: SQL problem help with number 2. 1. For the previous Track, compute the weighted average (instead of the average) average yield by nation (yield is
1. For the previous Track, compute the weighted average (instead of the average) average yield by nation (yield is defined as dividend divided by price, and is reported as a percentage). The weighted average includes the quantity of shares as a weight 2. Report the minimum and maximum yield for each nation 3. Report the nations where the average yield of the shares exceeds the average yield of all shares
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