Home
Class 10
MATHS
The median of the following observation ...

The median of the following observation 11, 12, 14, (x - 2), (x + 4), (x + 9), 32, 38, 47 arranged in ascending order is 24. Find the value of x and hence find the mean.

Text Solution

Verified by Experts

The correct Answer is:
x=20 ; Mean =25
Promotional Banner

Topper's Solved these Questions

  • MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)

    ICSE|Exercise EXERCISE 24 (D)|8 Videos
  • MATRICES

    ICSE|Exercise Exercise 9D|25 Videos
  • MIXED PRACTICE

    ICSE|Exercise SET B|52 Videos

Similar Questions

Explore conceptually related problems

The median of the observation 11 ,\ 12 ,\ 14 ,\ 18 ,\ x+2,\ x+4,\ 30 ,\ 32 ,\ 35 ,\ 41 arranged in ascending order is 24. Find the value of x .

The median of observations 10, 11, 13, 17, x+5,20,22,24 and 53 (arranged in ascending order) is 18, find the value of x.

The median of observations 10, 11, 13, 17, x+5,20,22,24 and 53 (arranged in ascending order) is 18, find the value of x.

The median of the observation arranged in ascending order is find the value of

If the median of the numbers 6, 14, 15, 17, x-1, x+2, 29, 32, 35, 45 written in ascending order is 21.5, then the value of x is

Ten observations 6 , 14 , 15 , 17 , x+1 , 2x-13 , 30 , 32 , 34 and 43 are written in an ascending order. The median of the data is 24 . Find the value of x .

The median of the following observations arranged in ascending order, is 20. Find x. 3,4,7,8,10,18,x+2,x+4,26,28,31,36,38 and 40.

The median of the following observations arranged in the ascending order is 42 . Find x : 22,24,33,37,x+1,x+3,44,47,51,58 . Also find the upper quartile

The mean of 18,24,15, 2x+1 and 12 is 21. Find the value of x.

The marks of 10 students of a class in an examination arranged in ascending order are as follows : 13, 35, 43, 46, x, x + 4, 55, 61, 71, 80 If the median marks is 48, find the value of x. Hence find the mode of the given data.

ICSE-MEASURES OF CENTRAL TENDENCY (MEAN, MEDIAN, QUARTILES AND MODE)-EXERCISE 24 (E)
  1. In a malaria epidemic, the number of cases diagnosed were as follows: ...

    Text Solution

    |

  2. In the given figure, XY || QR, PQ/XQ=7/3 and PR = 6.3 cm, find YR

    Text Solution

    |

  3. The marks of 20 students in a test were as follows, 2,6,8,9,10,11,11...

    Text Solution

    |

  4. If PQR is an equilateral triangle and PX ⊥ QR, find the value of PX^2.

    Text Solution

    |

  5. The sides AB and AC and the perimeter P, of ∆ABC are respectively thre...

    Text Solution

    |

  6. The distribution given below, shows the marks obtained by 25 students ...

    Text Solution

    |

  7. The mean of the following distribution is 52 and the frequency of clas...

    Text Solution

    |

  8. In the figure, EF || AC, BC = 10 cm, AB = 13 cm and EC = 2 cm, find AF

    Text Solution

    |

  9. A Mathematics aptitude test of 50 students was recorded as follows: ...

    Text Solution

    |

  10. In the figure ABC and DBC are two right triangles. Prove that AP × PC ...

    Text Solution

    |

  11. Marks obtaind by 40 students in a short assessment is given below, whe...

    Text Solution

    |

  12. Find the mode and the median of the following data 13, 16, 12, 14, 19...

    Text Solution

    |

  13. The median of the following observation 11, 12, 14, (x - 2), (x + 4), ...

    Text Solution

    |

  14. The numbers 6, 8, 10 ,12, 13, and x are arranged in an ascending order...

    Text Solution

    |

  15. (Use a graph paper for this question). The daily pocket expenses of 20...

    Text Solution

    |

  16. In the given figure, QA ⊥ AB and PB ⊥ AB. If AO = 20 cm, BO = 12 cm, P...

    Text Solution

    |

  17. The mean of the following numbers is 68. Find the value of 'x'. 45, ...

    Text Solution

    |

  18. The marks of 10 students of a class in an examination arranged in asce...

    Text Solution

    |

  19. In the given figure, CD || LA and DE || AC. Find the length of CL if B...

    Text Solution

    |

  20. The histogram below represents the scores obtained by 25 students in a...

    Text Solution

    |