Home
Class 8
MATHS
Find the sum of deviations of all ob ser...

Find the sum of deviations of all ob servations of the data 5, 8, 10, 15, 22 from their mean.

Promotional Banner

Topper's Solved these Questions

  • FREQUENCY DISTRIBUTION TABLES AND GRAPHS

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|133 Videos

  • FACTORISTION

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|182 Videos

  • LINEAR EQUATIONS IN ONE VARIABLE

    VGS PUBLICATION-BRILLIANT|Exercise EXERCISE|223 Videos

Similar Questions

Explore conceptually related problems

Find the sum of deviations of all observations of the data 4, 2, 3, 11, 20 from their mean.

Find the sum of deviations of all observations of the data 10,12,15,3 from their mean.

Find the mean deviation from the mean of the data 6,7,10,4,12,13,12,16.

Find the mean deviation about the mean for the data in 4, 7, 8, 9, 10, 12, 13, 17

Find the mean deviation from the mean of observations -1, 0, 4 ?

Find the mean deviation about the median for the data : 6, 7, 10, 12, 13, 4, 12, 16.

If the mean of 10 observations is 50 and the sum of the squares of the deviations of the observations from the mean is 250, then the coefficient of variation of those observations is

Mean deviation from median of the data 90,100,125,115, 110 is

VGS PUBLICATION-BRILLIANT-FREQUENCY DISTRIBUTION TABLES AND GRAPHS-EXERCISE
  1. Five years ago mean age of a family was 25 years. What is the present ...

    Text Solution

    |

  2. Two years ago the mean age of 40 people was 11 years. Now a person lef...

    Text Solution

    |

  3. Find the sum of deviations of all ob servations of the data 5, 8, 10, ...

    Text Solution

    |

  4. If sum of the 20 deviations from the ‘mean is 100, then find the mean ...

    Text Solution

    |

  5. Marks of 12 students in a unit test are given as 4, 21, 13, 17, 5, 9, ...

    Text Solution

    |

  6. Arithmetic mean of marks (out of 25) scored by 10 students was 15. One...

    Text Solution

    |

  7. The sum of deviations of ‘n’ observa tions from 25 is 25 and sum of de...

    Text Solution

    |

  8. Find the median of the data:3.3, 3.5, 3.1, 3.7, 3.2, 3.8

    Text Solution

    |

  9. Find the Median for the following data 30, 17, 12, 21, 33, 22 Ascendi...

    Text Solution

    |

  10. Find the mode of 10, 12, 11, 10, 15,20, 19, 21, 11, 9, 10.

    Text Solution

    |

  11. Mode of certain scores is x. If each score is decreased by 3, then fin...

    Text Solution

    |

  12. Find the mode of all digits used in writing the natural numbers from 1...

    Text Solution

    |

  13. Observations of a raw data are 5,28,15, 10, 15, 8, 24. Add, four more ...

    Text Solution

    |

  14. If the mean of a set of observationsx1, x2 x10 is 20. Find the mean of...

    Text Solution

    |

  15. The median of the data x/5, x, x/4, x/2 and x/8 is 8. Find the value o...

    Text Solution

    |

  16. The median of a set of 9 distinct observations is 20.5. If each of the...

    Text Solution

    |

  17. Make a frequency distribution of the following series. 1, 2, 2, 3, 3, ...

    Text Solution

    |

  18. Construct a frequency distribution for the following series of numbers...

    Text Solution

    |

  19. Write the mark wise frequencies in the following frequency distributio...

    Text Solution

    |

  20. The following marks achieved by 30 candidates in mathematics of SSC ex...

    Text Solution

    |