Home
Class 12
MATHS
If mu us the mean of distribution {y(1),...

If `mu` us the mean of distribution `{y_(1),f_(1)}`, then `sumf_(1)(i_(1)-mu)` is equal to

A

MD

B

SD

C

0

D

relative frequency

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    NEW JOYTHI PUBLICATION|Exercise EXSERCISE|34 Videos

  • SETS

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|21 Videos

  • STRAIGHT LINES

    NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|122 Videos

Similar Questions

Explore conceptually related problems

Find the mean of the Binomial distribution B (4, (1)/(3))

(1+i)^(16)+(1-i)^(16) equals

If overlineX_(1),overlineX_(2) are the means of two distributions such that overlineX_(1)ltoverlineX_(2)andoverlineX is mean of the combined distribution , then

If the mean of the distribution is 2.6, then the value of y is {:("Variate x",1,2,3,4,5),("Frequency f of x",4,5,y,1,2):}

The dimensions of (mu_0 epsilon_0)^(-1/2) are :

Let f(x)=a^(x)(a gt 0) be written as f(x)=f_(1)(x)+f_(2)(x), " where " f_(1)(x) is an function and f_(2)(x) is an odd function. Then f_(1)(x+y)+f_(1)(x-y) equals

int(sin^(2)x)/(sec^(2)x-cos^(2)x) dx = lambda x - 1/mu tan^(-1)((tanx)/sqrt2)+C where C is constant of integration, then lambda^(2) +mu^(2) is equal to

For x in R-{0,1}, " let " f_(1)(x)=(1)/(x), f_(2)(x)=1-x and f_(3)(x)=(1)/(1-x) be three given functions. If a function, J(x) satisfies (f_(2) @J@f_(1))(x)=f_(3)(x), " then " J(x) is equal to

NEW JOYTHI PUBLICATION-STATISTICS-QUESTIONS FROM COMPETITIVE EXAMS
  1. The mean mark in Statistics of 100 students in a class was 72 .The mea...

    Text Solution

    |

  2. If the mean of numbers 27+x,156+x " is "82, then the mean of 130 +x,1...

    Text Solution

    |

  3. If mu us the mean of distribution {y(1),f(1)}, then sumf(1)(i(1)-mu) ...

    Text Solution

    |

  4. A batsman score runs in 10 innings 38,70,48,34,42,55,63,46,54 and 44. ...

    Text Solution

    |

  5. The average weight of students in a class of 35 students is 40 kgs . I...

    Text Solution

    |

  6. Standard deviation of the first 2n+1 natural numbers is equal to

    Text Solution

    |

  7. Mean marks scored by the students of a class is 53. The mean mark of t...

    Text Solution

    |

  8. The average monthly salary of workers in a factory is Rs.206 . If the ...

    Text Solution

    |

  9. For the arithmetic progression a,(a+d),(a+2d),(a+3d),......,(a+2nd), t...

    Text Solution

    |

  10. The standard deviation of n obervations x(1),x(2).....,x(n) is 2. If s...

    Text Solution

    |

  11. The standard deviation of the numbers 31,32,33, ……., 46,47 is

    Text Solution

    |

  12. The standard deviation for the scores 1,2,3,4,5,6, and 77 is 2. Then ...

    Text Solution

    |

  13. If the variance of 1,2,3,4,5 , …., 10 is (99)/(12), then the standard ...

    Text Solution

    |

  14. If ""^(n)C(8)=""^(n)C(2), find ""^(n)C(2).

    Text Solution

    |

  15. The arithmetic mean of 7 consecutive integers starting with 'a' is m. ...

    Text Solution

    |

  16. The mean and variance of n observations x(1),x(2),x(3),...x(n) are 5 a...

    Text Solution

    |

  17. If the standard deviation of 3,8,6,10,12,9,11,10,12,7 is 2.71 , then t...

    Text Solution

    |

  18. The A.M of 9 terms is 15. If one more term is added to this series , ...

    Text Solution

    |

  19. If the average of the numbers 1,2,3,…., 98,99,x is 100x, then the valu...

    Text Solution

    |

  20. If the median of (x)/(5),x,(x)/(4),(x)/(2),(x)/(3)(xgt0) is 8, then t...

    Text Solution

    |