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):}`

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):}

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):}

Find out median marks from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "8," "30," "40," "12," "10):}

Find the missing frequency in the following distribution if N=100 and M=30. {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60),("Number of Students"," "10," "?," "25," "30," "?," "10):}

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):}

Locate the median graphically from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50),("Number of Students"," "10," " 20," " 30," " 20," " 10):}

Find out median , with the help of the following data : {:("Price Level",10-20,20-30,30-40,40-50,50-60,60-70),("Number of Commodity"," "2," "5," "8," "4," "6," "3):}

Caculate the median and mode from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Students"," "2," "18," "30," "45," "35," "20," "6," "3):}

Obtain the mean , median and mode of the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Students"," "5," "7," "15," "25," "20," "15," "8," "5):}