The median of following frequency distribution is
`{:(,"Class",,fi),(,60-70,,5),(,70-80,,15),(,80-90,,20),(,90-100,,30),(,100-110,,20),(,110-120,,8):}`

Find the mode of the following frequency distribution: {:("Class",100-110,110-120,120-130,130-140,140-150,150-160,160-170),("Frequency",4,6,20,32,33,8,2):}

Find the mean of the following frequency distribution. {:("Classes :",0-20,20-40,40-60,60-80,80-100,),("Frequency :"," 15"," 18"," 21"," 29 "," 17",):}

Find the mean of the following frequency distribution : {:("Class ",0-20,20-40,40-60,60-80,80-100),("Frequency "," "15," "18," "21," "29," "17):}

Find the median of the following distribution: {:(x,f," "x,f),(10,2," "30,4),(20,3," "40,5),(50,6," "80,3),(60,5," "90,3),(70,4," "100,1):}

Find the median of the following frequency distribution : {:("Weekly wages (in ₹) ","Number of workers "),(" "60-69," "5),(" "70-79," "15),(" "80-89," "20),(" "90-99," "30),(" "100-109," "20),(" "110-119," "8):}

The modal class for the following frequency distribution, is {:("Marks:", 0-10,10-20,20-40,40-50,50-60,60-70,70-90,90-100),("No. of students:",4,6,14,16,14,8,16,5):}

The modal class for the following frequency distribution, is {:("Marks:", 0-10,10-20,20-40,40-50,50-60,60-70,70-90,90-100),("No. of students:",4,6,14,16,14,8,16,5):}

Calculate the arithmetic mean of the following frequency distribution by Direct Method: {:("Class Interval",10-20,20-40,40-70,70-120,120-200),("Frequency"," "4," "10," "26," "8," "2):}