3. 0-10, 10-20,20-30 कैसे वर्ग-अंतराल हैं ?

If the classes are 0-10, 10-20,20-30… then in which class should the observation 10 be inclused?

If the classes are 0 -10 , 10-20, 20-30…., then in which class should the observation 10 be included ?

Draw histograms for the following frequency distributions : {:("Class interval ", 0-10, 10-20, 20-30, 30-40, 40-50, 50-60),("Frequency "," "12, " " 20, " " 26, " " 18, " " 10, " " 6):}

For overlaping classes 0-10,10-20,20-30, etc.Then the class mark of the class 0-10 is

0-10 , 10 - 20 , 20 - 30 , ...., are the classes , the lower boundary of the class 20-30 is "_______" .

Compute the mean deviation from the median of the following distribution: Class 0-10 10-20 20-30 30-40 40-50 Frequency 5 10 20 5 10

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20

Find the mode of the following distribution of marks obtained by 80 students: Marks obtained 0-10 10-20 20-30 30-40 40-50 No. of students 6 10 12 32 20