Home
Class 10
MATHS
The following table gives the number of ...

The following table gives the number of children of 150 families in a village No. of children `(x)` : 0 1 2 3 4 5 No. of families `(f)` : 10 21 55 42 15 7 Find the average number of children per family.

Answer

Step by step text solution for The following table gives the number of children of 150 families in a village No. of children (x) : 0 1 2 3 4 5 No. of families (f) : 10 21 55 42 15 7 Find the average number of children per family. by MATHS experts to help you in doubts & scoring excellent marks in Class 10 exams.

Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SOME APPLICATIONS OF TRIGONOMETRY

    RD SHARMA|Exercise All Questions|154 Videos
  • SURFACE AREAS AND VOLUMES

    RD SHARMA|Exercise All Questions|417 Videos

Similar Questions

Explore conceptually related problems

The following data shows the number of children in 20 families Make a frequency table for above data

the numbers of children in 10 families of a locality are: 2,4,3,4,2,0,3,5,1,1,5. Find the mean number of children per family.

Knowledge Check

  • The following table shows the number of children in each house of a society. What is the average number of children per house ?

    A
    A)1.65
    B
    B)1.4
    C
    C)1.9
    D
    D)1.15
  • In a colony 5 families have 1 child, 7 families have 2 children, 8 families have 3 children and 3 families have 4 children. What is the mode of the number of children.

    A
    4
    B
    8
    C
    5
    D
    3
  • Two different families A and B are blessed with equal number of children. There are 3 tickets to be distributed amongst the children of these families so that no child gets more than one ticket. If the probability that all the tickets go to children of the family B is (1)/(12) then the number of children in each family is :

    A
    3
    B
    5
    C
    4
    D
    6
  • Similar Questions

    Explore conceptually related problems

    The average age of 8 children of a family is 12 year. If age of 7 children are 12, 8, 14, 11, 9, 13 and 15 years respeatively. The age of 8th child is?

    The number of children in the families of a village are listed below : 1 2 1 1 2 2 2 3 2 2 2 4 1 2 3 2 2 1 1 0 0 1 2 0 1 2 0 1 2 2 2 2 1 2 3 3 4 2 1 2 Prepare a frequency distribution table.

    Given below is the data showing the number of children in 20 families of a locality : 3, 1, 3, 2, 2, 2, 0, 3, 4, 2, 1, 3, 2, 4, 1, 2, 2, 3, 1, 3 Arrange the data in ascending order and then prepare a frequency table

    The numbers of children in five families are 0, 2, 1, 3, and 4. Find the average number of children. If two families having 6 and 5 children respectively are included in it, then what is the new mean?

    The following data shows the relation between the number of families and number of children they have. What is the probability of a family chosen at random having at least two children?