Home
Class 12
MATHS
The standard deviationof a variable x is...

The standard deviationof a variable x is 10.Then the standard deviation of 50+5x is :

A

50

B

550

C

10

D

0.98

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • GGSIPU MATHEMATICS 2004

    IPUCET PREVIOUS YEAR PAPERS|Exercise MCQ|51 Videos
  • GGSIPU MATHEMATICS 2006

    IPUCET PREVIOUS YEAR PAPERS|Exercise MCQ|51 Videos

Similar Questions

Explore conceptually related problems

If the standard deviation of a variable xi s sigma, then standard deviation of variable (aX+b)/(c) is a sigma( b) (a)/(c)sigma(c)|(a)/(c)| sigma(d)(a sigma+b)/(c)

If the standard deviation of x_1, x_2,……x_n is 3.5, then the standard deviation of -2x_1, -3,-2x_2, -3, ……, -2x_n -3 is

If two random variables x and y are related by y=-3x+4 and standard deviation of x is 2 then standard deviation of y is (a) -6 (b) 6 (c) 18 (d) 3.50

IPUCET PREVIOUS YEAR PAPERS-GGSIPU MATHEMATICS 2005-MCQ
  1. Two persons A and B take turns in throwing a pair of dice. The first ...

    Text Solution

    |

  2. The probability that in a year of 22nd centurychosen at random, there ...

    Text Solution

    |

  3. The standard deviationof a variable x is 10.Then the standard deviatio...

    Text Solution

    |

  4. The octal equivalent of the decimal number 0.3125 is :

    Text Solution

    |

  5. The hexadecimal equivalent of the binary number 111100001010001 is

    Text Solution

    |

  6. A real value of x satisfies the equation (3-4ix)/(3+4ix)=alpha-ibeta(a...

    Text Solution

    |

  7. If P, Q, R, S are represented by the complex number 4 +i,1+6i,-4+3i,-1...

    Text Solution

    |

  8. If n is a positive integer, then (1 + i)^n + (1-1)^n is equal to

    Text Solution

    |

  9. The number of ways in which 9 persons can be divided into three equal ...

    Text Solution

    |

  10. A dictionary is printed consisting of 7 lettered words only that can b...

    Text Solution

    |

  11. If the sum of the coefficient in the expansion of x+y^n is 1024, then...

    Text Solution

    |

  12. The value of the determinant |(10!,11!,12!),(11!,12!,13!),(12!,13!,14!...

    Text Solution

    |

  13. If A and B are two matrices such that AB=B and BA=A, then

    Text Solution

    |

  14. If the points (x1,y1),(x2,y2)and(x3,y3) are collinear, then the rank o...

    Text Solution

    |

  15. Consider the system of equations x+y+z=6 x+2y+3z=10 x+2y+lambda...

    Text Solution

    |

  16. If A = |(sin (theta + alpha),cos (theta + alpha),1),(sin (theta + bet...

    Text Solution

    |

  17. An investigator interviewed 100 students to determine the performan...

    Text Solution

    |

  18. Let Y= (1, 2, 3, 4, 5}, A = {1, 2). B = (3, 4, 5) If (A xx B) denote...

    Text Solution

    |

  19. Let A = {1, 2, 3, 4, 5, …., 17, 18}. Let '~=' be the equivalence relat...

    Text Solution

    |

  20. If a , b are two fixed positive integers such that f(a+x)=b+[b^3+1-3b^...

    Text Solution

    |