Home
Class 12
MATHS
The mean of the data set somprising ...

The mean of the data set somprising of 16 doeservatins is 16.If oen of the observation valued 16 is delected and three new observations valued 3,4 and 5 are added to the data then the mean of the resultant data is :

A

16.8

B

16

C

15.8

D

14

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER -I

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos
  • MOCK TEST PAPER -III

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

Similar Questions

Explore conceptually related problems

The mean of the data set comparising of 16 observations is 16. If one of the observations valued 16 is deleted and three new observations valued 3, 4 and 5 are added to the data, then the mean of the resultant data is :

The mean and variance of 7 observations are 8 and 16 respectively. If five of the observation are 2, 4, 10, 12, 14. Find the remaining two observation.

The mean deviation of the data 2, 9, 9, 3, 6, 9, 4 from the mean is :

The mean and standard deviation of six observation are 8 and 4 respectively. If each observation is multiplied by 3, Find the new mean and new standard deviation of the resulting obervations.

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

If each observation of a raw data, whose variance is sigma^(2) is multiplied by lambda , then the variance of the new set is :

If the mean of the following data is 14.7, find the values of p and q.

For two data sets, each of size 5, the variances are given to be 4 and 5 and the corresponding means are given to be 2 and 4, respectively. The variance of the combined data set is :

Find median of the data, using an empirical relation when it is given that Mode =12.4 and Mean = 10.5.

MODERN PUBLICATION-MOCK TEST PAPER -II-SELECT CORRECT ANSWER
  1. Let P-=(-1,0),Q-=(0,0) and R-=(3,3sqrt(3)) be three points. The equati...

    Text Solution

    |

  2. If the focii of (x^(2))/(16)+(y^(2))/(4)=1 and (x^(2))/(a^(2))-(y^(2...

    Text Solution

    |

  3. The mean of the data set somprising of 16 doeservatins is 16.If o...

    Text Solution

    |

  4. If tanx=3/4, pi lt x lt (3 pi)/(2), then the value of cos. x/2 is

    Text Solution

    |

  5. The logical equivalent proposition of p rArr q is

    Text Solution

    |

  6. If sin^(-1) (x - (x^(2))/(2 ) + (x^(3))/(4)….)+cos^(-1)(x^2-x^4/2+x^6/...

    Text Solution

    |

  7. cot^(1) sqrt(cos alpha) -tan^(-1) sqrt(cos alpha)= x then sin x

    Text Solution

    |

  8. Ifcos^(-1) x - cos ^(-1) (y)/(2) =alpha then 4x^(2) -4xy cos alpha+ ...

    Text Solution

    |

  9. If 0 lt x lt 1 then :

    Text Solution

    |

  10. If a, b and c are in A.P., then the value of |(x+2,x+3,x+a),(x+4,x+5,...

    Text Solution

    |

  11. If |(2a,x(1),y(1)),(2b,x(2),y(2)),(2c,x(3),y(3))| = (abc)/2 != 0 , th...

    Text Solution

    |

  12. The system of linear equation : x+y+z=6,x+2y+3z=10 and x+2y+az=6 ...

    Text Solution

    |

  13. If A is 3xx4 matrix and B is a matrix such that A'B and BA' are both d...

    Text Solution

    |

  14. The symmetric part of the matrix A=[(1,2,4),(6,8,2),(2,-2,7)] is

    Text Solution

    |

  15. If A is a matrix of order 3, such that A (adj A) = 10 I, then |adj A...

    Text Solution

    |

  16. underset(n to porp) (lim ) (1^(2) +2^(2) ………. +n^(2) (n)^(1//n))/( (n...

    Text Solution

    |

  17. lim ( xto 0 ) ( 1- cos x ) /( x^(2))

    Text Solution

    |

  18. The derivative of tan^(-1)[(sin x)/(1+cos x)] w.r.t tan^(-1) [(cos...

    Text Solution

    |

  19. (d)/(dx ) [cos^(2) cot^(-1) sqrt((2+x)/(2-x))] is :

    Text Solution

    |

  20. If f(x ) = (sin^(2)x)/(1+cot x) + (cos^(2))/(1+tan x) then f((pi)/(...

    Text Solution

    |