निम्न सारणी का बहुलक ज्ञात कीजिए{:(वर्गान्तर, आवृत्ति),(0-10,9),(10-20,17),(20-30,28),(30-40,23)...

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

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):}

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 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):}

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):}

Calculate standard deviation for the following data : [{: ( Class Interval (C.I.) , Frequency (f) ) , (10-15,32), (15-20,28),(20-25,20),(25-30,16),(30-35,34),(35-40,10),(40-45,8):}]

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):}

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):}