Descriptive Statisticshard
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A store has three branches. Branch 1 has 10 employees with a mean salary of \40,000.Branch2has15employeeswithameansalaryof. Branch 2 has 15 employees with a mean salary of $50,000.Branch3has. Branch 3 has N_3employeeswithameansalaryofemployees with a mean salary of$60,000.Ifthecombinedmeansalaryofallthreebranchesis. If the combined mean salary of all three branches is $51,250,whatisthenumberofemployees, what is the number of employees N_3$ in Branch 3?