Following are the wages of 19 workers:
`{:("Wages(Rs.)",10,20,30,40,50),("Number of Workers",4,5,3,2,5):}`
Calculate arithmetic mean, using Short-cut Method.

Following is the weekly wage earnings of 19 workers: {:("Wages(Rs.)",10,20,30,40,50),("Number of Workers",4,5,3,2,5):} Calculate arithmetic mean using Direst Method,

Wage rate of 19 workers is given below: {:("Wages(Rs.)",10,20,30,40,50),("Number of Workers",4,5,3,2,5):} Calculate arithmetic mean, using 'Step-deviation Method.

Calculate mode from the following data : {:("Wages",25,50,75,80,85,90),("Number of Workers",4,6,9,3,2,1):}

The following table shows wages of the workers. Calculate the average wage of the workers. {:("Wages(Rs.)",10-19,20-29,30-39,40-49,50-59),("Number of Workers"," "8," "9," "12," "11," "6):}

Calculate the values of Q_(1),Q_(3),D_(8)and P_(85) - from the following data : {:("Wages (Rs.)",0-10,10-20,20-30,30-40,40-50),("Number of Workers"," "22," "38," "46," "35," "19):}

Following are the wages of 8 workers in rupees: 50,62,40,70,45,56,32,45 If one of the workers is selected at random,what is the probability that his wage would belower than the average wage?

Data relating to wages of some workers are given below . Find out median wage . {:("Wages(Rs.)",20-30,30-40,40-50,50-60,60-70),("Number of Workers"," "25," "12," "15," "13," "5):}