HomeHACKERRANK SOLUTIONSRevising Aggregations - AveragesHackerrank - Revising Aggregations - Averages solutionProblem linkSolution one:SELECT AVG(POPULATION) FROM CITY WHERE DISTRICT = "CALIFORNIA"; PreviousHackerrank - Population Density Difference solutionNextHackerrank - Revising Aggregations - The Count Function solution