A company has three establishments A,B and C in three cities. Analysis of the daily wages paid to the employees in the three establishments is given below: Establishments: A B C Number of employees: 20 25 40 Average daily wages: 305 300 340 Standard Deviation: 50 40 45 Find the average and standard deviation of … Continue reading A company has three establishments A,B and C in three cities. Analysis of the daily wages paid to the employees …