Home
Class 9
MATHS
Given below is a cumulative frequency...

Given below is a cumulative frequency distribution table showing the ages of people living in a locality: Age in years No. of persons Above 108 Above 96 Above 84 Above 72 Above 60 Above 48 Above 36 Above 24 Above  12 Above 0 0 1 3 5 20 158 427 809 1026 1024 Prepare a frequency distribution table

Text Solution

Verified by Experts

We make class intervals `0-12, 12-24, 24-36, 36-48, 48-60, 60-72, 72-84, 84-96 and 96-108.`
The frequency of the classes are
`0-12` is `1026−1124=98`, `12-24` is `1026−809=217`, ` 24-36` is `809−427=382`, `36-48` is `427−158=269`, `48-60` is `158−20=138` , `60-72` is `20−5=15`, `72-84` is `5−3=2` `84-96` is `3−1=2`, `96-108` is `1−0=1`
Here is the cumulative frequency distribution table.
Promotional Banner

Topper's Solved these Questions

  • SURFACE AREA AND VOLUME OF A SPHERE

    RD SHARMA|Exercise All Questions|140 Videos
  • TRIANGLE AND ITS ANGLES

    RD SHARMA|Exercise All Questions|95 Videos

Similar Questions

Explore conceptually related problems

Consider the following frequency distribution : What is the above frequency distribution known as?

Form the frequency distribution table from the following data: Construct the frequency distribution table for the above data.

Consider the following grouped frequency distribution : If the mean of the above data is 25·2, then what is the value of p?

The following table show tha cumulative frequency distribution of marks of 800 students in an examination. Construct a frequency distribution table for the data above.

Given below is the frequency distribution of driving speeds (in km/hour) of the vehicles of 400 college students: Draw Histogram and hence the frequency polygon for the above data.

The following frequency distribution table shows marks obtained by 180 students in Mathematics examination : Find the value of x. Also draw a histogram representing the above informations.

Find mode of the following frequency distribution. The mean of above distribution is 53. Empirical formula to find approximate value of median.

The construction of cummulative frequency table is useful in determining the (i)Mean (ii)Median (iii)Mode (iv)All of the above

RD SHARMA-TABULAR REPRESENTATION OF STATISTICAL DATA -All Questions
  1. Thirty children were asked about the number of hours they watched T...

    Text Solution

    |

  2. The distances (in Km) covered by 24 cars in 2 hours are given below...

    Text Solution

    |

  3. The marks obtained by 35 students in an examination are given below...

    Text Solution

    |

  4. A cumulative frequency distribution is given below. Convert this in...

    Text Solution

    |

  5. Find the unknown entries a,b,c,d,e and f in the following distribution...

    Text Solution

    |

  6. Cumulative Frequency Distribution

    Text Solution

    |

  7. The marks scored by 55 students in a test are given below: Marks   ...

    Text Solution

    |

  8. The water bills (in rupees) of 32 houses in a certain street for th...

    Text Solution

    |

  9. Given below is a cumulative frequency distribution table showing th...

    Text Solution

    |

  10. Tally marks are used to find class intervals                 (b)...

    Text Solution

    |

  11. The difference between the highest and lowest values of the observa...

    Text Solution

    |

  12. The difference between the upper and the lower class limits is call...

    Text Solution

    |

  13. In the class intervals 10-20, 20-30, 20 is taken in the interval...

    Text Solution

    |

  14. In a frequency distribution, the mid-value of a class is 15 and the...

    Text Solution

    |

  15. The mid-value of a class interval is 42. If the class size is 10, t...

    Text Solution

    |

  16. The number of times a particular item occurs in a given data is cal...

    Text Solution

    |

  17. The width of each of nine classes in a frequency distribution is 2....

    Text Solution

    |

  18. Let l be the lower class limit of a class-interval in a frequency d...

    Text Solution

    |

  19. Let following marks were obtained by the students in a test: 81,72,...

    Text Solution

    |

  20. Tally are usually marked in a bunch of 3           (b)  4          ...

    Text Solution

    |