Home
Class 11
MATHS
Median of nine observations is 20.45 . I...

Median of nine observations is 20.45 . If 2 is added in last four observations, then new median is

Text Solution

Verified by Experts

The correct Answer is:
Median will remain same .
Promotional Banner

Topper's Solved these Questions

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Statistics (True/False Statement)|20 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Probability (Fill in the Blanks)|24 Videos

  • OBJECTIVE SECTION AS PER NEW PAPER SCHEME

    KUMAR PRAKASHAN|Exercise Mathematical Reasoning (True/False Statement)|12 Videos

  • MATHEMATICAL REASONING

    KUMAR PRAKASHAN|Exercise QUESTION OF MODULE (Knowledge Test:)|2 Videos

  • PERMUTATIONS AND COMBINATIONS

    KUMAR PRAKASHAN|Exercise PRACTICE WORK |40 Videos

Similar Questions

Explore conceptually related problems

The mean of 10 observations is 28. If 2 is added to each observation and then each result is divided by 3, find the mean of new observations so obtained.

The mean of 20 observations is 45. If each observation is divided by 3, the new mean is 15

The mean of 5 observations is 20. Including one new observation, the mean is 25. Find the newly included observation.

The mean of n observations is bar(x) . If the first observation is increased by 1, the second by 2 and so on, the new mean is . . . .

The variance of 20 observations is 5. if each observation is multiplied by 2, find the new variance of the resulting observations.

The variance of 15 observations is 8. If each observation is multiplied by 4, then the variance of new observation is ……

The mean of 5 observations is 4.4 and their variance is 8.24 . If three of the observations are 1,2 and 6, find the other two observations.

The following data is for 15 observation obtained in an experiment. sumx_i^2 = 2830, sum x_i = 170 . The wrong observation is 20. If it is taken as 30, then the correct coefficient of variance is ………….

Meidan of a data , arranged in ascending order 7,10,15,x,y,27,30 is 17 and when one more observation 50 is added to the data, the median has become 18 . Find x and y.

KUMAR PRAKASHAN-OBJECTIVE SECTION AS PER NEW PAPER SCHEME -Statistics (Fill in the Blanks)
  1. Median of nine observations is 20.45 . If 2 is added in last four obse...

    Text Solution

    |

  2. Suppose in group A, 100 observations are 101 , ….. 200 and in group B ...

    Text Solution

    |

  3. If the standard deviation of variable x is 4 and y = (3x + 7)/(4) then...

    Text Solution

    |

  4. The variance of observations 3,4,5,8 is

    Text Solution

    |

  5. The mean of 100 observations is 50 and their standard deviation is 5. ...

    Text Solution

    |

  6. Let a,b,c,d,e be the observations with mean m and standard deviation S...

    Text Solution

    |

  7. S.D. of the observation x1, x2, x3 ..... xn is 3.5 then S.D. of -2x 1...

    Text Solution

    |

  8. Median of the data 9,15,20,22,8,17,10,18,14,25 is …..

    Text Solution

    |

  9. Find x if the median of the observation 33,28,20,25,34 and x is 29.

    Text Solution

    |

  10. Median of nine observations is 20.45 . If 2 is added in last four obse...

    Text Solution

    |

  11. Suppose in group A, 100 observations are 101 , ….. 200 and in group B ...

    Text Solution

    |

  12. If the standard deviation of variable x is 4 and y = (3x + 7)/(4) then...

    Text Solution

    |

  13. The variance of observations 3,4,5,8 is

    Text Solution

    |

  14. The mean of 100 observations is 50 and their standard deviation is 5. ...

    Text Solution

    |

  15. Let a,b,c,d,e be the observations with mean m and standard deviation S...

    Text Solution

    |

  16. S.D. of the observation x1, x2, x3 ..... xn is 3.5 then S.D. of -2x 1...

    Text Solution

    |

  17. Median of the data 9,15,20,22,8,17,10,18,14,25 is …..

    Text Solution

    |

  18. Find x if the median of the observation 33,28,20,25,34 and x is 29.

    Text Solution

    |