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):}`

Find out median of the following series : {:("Wage Rate (Rs.)",25-30,20-25,15-20,10-15,5-10,0-5),("Number of Workers"," "5," "10," "20," "5," "8," "2):}

In the following frequency distribution, if the arithmetic mean is 45.6, find out missing frequency. {:("Wages(Rs.)",10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Workers"," "5," "6," "7," "X," "4," "3," "9):}

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):}

Find out median value of the following distribution: {:("Wege Rate (Rs.)",0-10,10-20,20-30,30-40,40-50),("Number of Workers", " "22," "38," "46," "35," "20):}

In the following frequency distribution, the frequency of the class interval (40-50) is not known. Find it, if the arithmetic mean of the distribution is 52. {:("Wages(Rs.)",10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Workes"," "5," "3," "4," "?," "2," "6," "13):}

Caculate the mode from the following data : {:("Wages (Rs.)",0-5,5-10,10-15,15-20,20-25,25-30,30-35),("Number of Workers"," "3," "7," "15," "30," "20," "10," "5):}

The daily wages of 20 workers are given below: Find the mean daily wage of twenty workers.