आँकड़ों के लिए माध्यिका के सापेक्ष माध्य विचलन ज्ञात कीजिए :
`{:("पद ",10,20,30,40,50),("बारम्बारता ",5,8,20,6,3):}`

Find the mean for the following data : {:("C.I",0-10,10-20,20-30,30-40,40-50,),("f"," 3"," 5"," 3"," 9"," 5",):}

Find the mean deviation about the mean for the following data : {:("Marks obtained",0-10,10-20,20-30,30-40,40-50),("No. of students",5,8,15,16,6):}

Find the median of the following data: {:("Class Interval",0-10,10-20,20-30,30-40,40-50),(f,6,8,5,4,7):}

Calculate the mean devation from the mean the following data: {:(,"Marks",0-10,10-20,20-30,30-40,40-50),(,"No. of stu.",5,8,15,16,6):}

Calculate the mean devation from the mean the following data: {:(,"Marks",0-10,10-20,20-30,30-40,40-50),(,"No. of stu.",5,8,15,16,6):}

{:("Team A",50,20,10,30,30),("Team B",40,60,20,20,10):} Which team is more consistent ?

Find the missing frequency of the group 20-30 when the median is 28. {:("Class Interval",0-10,10-20,20-30,30-40,40-50),("Frequency"," "5," "8," "?," "16," "6):}

The mode from given grouped data would be {:("Class Interval",10-20,20-30,30-40,40-50,50-60),("Frequency",5,7,6,8,4):}