Calculate mode , given the following data set :
`{:("Mid - value",15,25,35,45,55,65,75,85),("Frequency",5,8,12,16,28,15,3,2):}`

Compute median from the following data : {:("Mid - value",5,15,25,35,45,55,65,75),("Frequency",15,7,11,10,13,8,20,16):}

Given the following data , calculate mode using the grouping technique . {:("Size",2,3,4,5,6,7,8,9,10,11,12,13),("Frequency",3,8,10,12,16,14,10,8,17,5,4,1):}

Calculate the mode from the following data : {:("Class Interval",20-24,25-29,30-34,35-39,40-44,45-49,50-54,55-59),("Frequency"," "3," "5," "10," " 20," "12," "6," "3," "1):}

Calculate mode of the following sercies : {:("Class Interval",0-5,5-10,10-15,15-20,20-25,25-30,30-35),("Frequency"," "1," "2," "10," "4," "10," "9," "2):}

Following is the distribution of marks in Statistics obtained by 32 students : {:("Mid - value",5,15,25,35,45,55),("Frequency",4,6,10,7,3,2):} Caculate the median marks.

Calculate the median from the following data - set : {:("Size",10-15,15-17.5,17.5-20,20-30,30-35,35-40,40-50),("Frequency"," "10," "15," "17," "25," "28," "30," "40):}

Draw the histogram for the following {:("Class mark ", 25,35,45,55,65),(" Frequency ",7,15,18,12,8):}

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

Calculate the mode of the following distribution : [["Class :",10 - 15,15-20, 20-25,25-30,30-35], ["Frequency :",4, 7, 20,8,1]]

Find the missing frequency f for the following data if the mode for the data is 39 : {:("Class ",5-15,15-25,25-35,35-45,45-55,55-65,65-75),("Frequency "," "2," "3," "f," "7," "4," "2," "2):}