निम्न सारणी की माध्यिका ज्ञात कीजिए {:(वर्गान्तर , आवृत्ति ),(0-10,4),(10-20,6),(20-30,10),(30-4...

(i) -120+10+(-20) (ii) -20-30

Find the approximate value of mean deviation about the mode of the following data. {:("Class Interval",f),(" "0-10,4),(" "10-20,6),(" "20-30,3),(" "30-40,9),(" "40-50,5):}

If the mean of the following data is 26, then find the missing frequency x. {:("Class Interval",f),(" "0-10,4),(" "10-20,X),(" "20-30,9),(" "30-40,5),(" "40-50,6):}

Find the mean, mode and median for the following data : {:("Class","Frequency"),(0-10," "8),(10-20," "16),(20-30," "36),(30-40," "34),(40-50," "6),("Total"," "100):}

Find the median of the following data. {:("Class Interval",f),(" "0-10,12),(" "10-20,13),(" "20-30,25),(" "30-40,20),(" "40-50,10):}

The median of the following frequency distribution is {:("Class interval",f),(" "0-10,5),(" "10-20,8),(" "20-30,7),(" "30-40,10),(" "40-50,20):}

Find the mean of the following continuous distribution. {("Class Interval",f),(" "0-10,8),(" "10-20,4),(" "20-30,6),(" "30-40,3),(" "40-50,4):}

If A=[[1,0,10,1,20,0,4]] then

Draw the frequency polygon for the following data by drawing a histogram: {:("Class Interval",f),(" "0-5,10),(" "5-10,20),(" "10-15,15),(" "15-20,30),(" "20-25,32),(" "25-30,44):}