Home
Class 11
MATHS
Find the mean deviation about the mean f...

Find the mean deviation about the mean for the following data: Marks obtained 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Number of students 2 3 8 14 8 3 2

Text Solution

AI Generated Solution

To find the mean deviation about the mean for the given data, we will follow these steps: ### Step 1: Create a frequency distribution table We will list the class intervals and the corresponding number of students (frequencies). | Marks Obtained | Number of Students (f) | |----------------|------------------------| | 10 - 20 | 2 | ...
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOME SPECIAL SERIES

    RD SHARMA|Exercise Solved Examples And Exercises|69 Videos

  • THE CIRCLE

    RD SHARMA|Exercise Solved Examples And Exercises|144 Videos

Similar Questions

Explore conceptually related problems

Find the mean deviation about median for the following data : Marks 0-10 10-20 20-30 30-40 40-50 50-60 Number of 6 8 14 16 4 2 Girls

Find the mean deviation from the mean of the following data: Classes:,10-20,20-30,30-4040-50,50-60,60-70,70-80 frequency,2,3,8,14,8,3,2

Knowledge Check

  • Find the mean deviation (approximately) about the mode for the following ungrouped data: 20, 25, 30, 18, 15, 40.

    A
    6.71
    B
    4.52
    C
    7.61
    D
    5.33

    • Similar Questions

    Explore conceptually related problems

    Calculate the median deviation from the median of the following data: Wages per week (in Rs.),10-20,20-30,30-40,40-50,50-60,60-70,70-80 No.of workers,4,6,10,20,10,6,4

    Find the mean deviation about arithmetic mean of the following frequency distribution.Marks 0-10,10-20,20-30,30-40,40-50 No.of Students 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):}

    Obtain the mean , median and mode of the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Students"," "5," "7," "15," "25," "20," "15," "8," "5):}

    Find the standard deviation for the following data: 10, 20, 30, 40, 50, 60, 70, 80, 90

    Caculate the median and mode from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Students"," "2," "18," "30," "45," "35," "20," "6," "3):}

    Calculate the mean and standard deviation for the following distribution: Marks:,20-30,30 - 40,40-50,50-60,60-70,70-80,80-90 No.of students: 3,6,13,15,14,5,4

    Home
    Profile