Home
Class 12
MATHS
The mean deviation of the data 3,10,10,4...

The mean deviation of the data 3,10,10,4,7,10,5 from the mean is

A

2

B

2.57

C

3

D

3.75

Text Solution

Verified by Experts

The correct Answer is:
B
Given, observations are 3,10,10,4,7,10 and 5.
`therefore overline(x)=(3+10+10+4+7+10+5)/(7)=(49)/(7)=7`

Now, `M.D.=(sum d_(i))/(N)=(18)/(7)=2.57`
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    CENGAGE PUBLICATION|Exercise Archives|10 Videos

  • STATISTICS

    CENGAGE PUBLICATION|Exercise Exercise 11.2|6 Videos

  • SOLUTIONS AND PROPERTIES OF TRIANGLE

    CENGAGE PUBLICATION|Exercise Comprehension Type|6 Videos

  • STRAIGHT LINE

    CENGAGE PUBLICATION|Exercise Multiple Correct Answers Type|8 Videos

Similar Questions

Explore conceptually related problems

The mean deviation of the numbers 3,4,5,6,7 from the mean is -

The mean deviation from the median is

The mean deviation from median is

The standard deviation of the data 6,8,10,12,14 is

The mean deviation of the series 3, 4, 5, 6, 7 about the median is

The mean deviation of the following data 2,5,6,7,9,10,11,14 is

Variance of the data 2,4,6,8,10 is

Calculate the mean deviation about median from the data : 340, 150, 210, 240 , 300, 310 320.

The standard deviation of data 6,5,9,13,12,8 and 10 is

Show that the mean deviation with respect to Arithmetic mean is zero

CENGAGE PUBLICATION-STATISTICS-Exercises
  1. The following data give the distribution of heights of students : {:...

    Text Solution

    |

  2. An automobile driver travels from a plain to a hill station 120 km awa...

    Text Solution

    |

  3. The mean deviation of the data 3,10,10,4,7,10,5 from the mean is

    Text Solution

    |

  4. when tested the lives (in hours) of 5 bulbs were noted as follows 13...

    Text Solution

    |

  5. Following are the marks obtained by 9 student in a mathematics test ...

    Text Solution

    |

  6. If the mean of the distribution is 2.6, then the value of y is {:("V...

    Text Solution

    |

  7. If the mean of the set of numbers x1,x2, x3, ..., xn is barx, then the...

    Text Solution

    |

  8. The harmonic mean of 4,8,16 is

    Text Solution

    |

  9. The average of n numbers x(1),x(2),x(3),..,x(n) is M. If x(n) is repla...

    Text Solution

    |

  10. The following data give the distribution of heights of students : {:...

    Text Solution

    |

  11. For a slightly asymmetric distribution, mean and medain are 5 and 6, r...

    Text Solution

    |

  12. Runs scored by a batsman in 10 innings are : 38, 70,48,34,42,55,63,46,...

    Text Solution

    |

  13. If mu is the mean of a distribution , then sumfi(yi-mu) is equal to

    Text Solution

    |

  14. The range of the following set of observations 2,3,5,9, 8, 7, 6, 5, 7,...

    Text Solution

    |

  15. If each observation of a raw data whose variance is sigma is multiplie...

    Text Solution

    |

  16. If a variable x takes values 0,1,2,..,n with frequencies proportional ...

    Text Solution

    |

  17. Variance of the data 2,4,6,8,10 is

    Text Solution

    |

  18. If the standard deviation of 0,1,2,3...9 is K, then the standard devia...

    Text Solution

    |

  19. For a given distribution of marks, the mean is 35.16 and its standard ...

    Text Solution

    |

  20. The mean and S.D of 1, 2, 3, 4, 5, 6 is

    Text Solution

    |