Home
Class 11
MATHS
Find the standard deviation of the value...

Find the standard deviation of the values `a,a+b,a+2b,a+3b,...,a+2nb(b>0)`.

Promotional Banner

Topper's Solved these Questions

  • Model Test Set -3

    UNITED BOOK HOUSE|Exercise Exercise|43 Videos

  • NAVA NALANDA

    UNITED BOOK HOUSE|Exercise EXERCISE|50 Videos

Similar Questions

Explore conceptually related problems

The standard deviation of a variate x is sigma The standard deviation of the variable (aX+b)/c : a,b c, are constants, is

If the standard deviation of a variable x is sigma , then standard deviation of variable (a X+b)/c is (a). sigma (b) a/csigma (c) |a/c|sigma (d) (asigma+b)/c

At 25^(@)C the standard reaction enthalpy for the reaction AB_(3)(g)to(1)/(2) A_(2)(g)+(3)/(2)B_(2)(g) is DeltaH^(0) . Find the standard reaction enthalpy for the reaction A_(2)(g)+3B_(2)(g) to 2AB_(3)(g) at 25^(@)C .

If (2)/(5)and-5 be two roots of the quadratic equation ax^(2)-5x+b=0 , then find the values of a and b.

Find the values of a,b and c if the matrix A={:[(0,2b,c),(a,b,-c),(a,-b,c)] satisfies A'A = I.

If a^(2)-b^(2)=224 where a and b are negative integers (a lt b) then find the value of a and b.

IF a^2=5a-3 and b^2=5b-3 , ( aneb ), find the quadratic equation whose roots are a/b and b/a .

If a=3, b=4, c=5, find the value of tan( B/2) .

If a : b = 3 : 2 " and " b : c = 3 : 2 , then find the value of the ratio (a + b) : (b + c) .

UNITED BOOK HOUSE-Model Test Set-2-Exercise
  1. If the A.M. and S.D. at n observation x1, x2,………….xn be barx and s res...

    Text Solution

    |

  2. n persons are seated on n chairs at a round table. Find the probabilit...

    Text Solution

    |

  3. State the statistical definition of probability.

    Text Solution

    |

  4. Describe Ratio chart.

    Text Solution

    |

  5. Find the standard deviation of the values a,a+b,a+2b,a+3b,...,a+2nb(b>...

    Text Solution

    |

  6. If the values of a variable be increased by 10, show the effect on ari...

    Text Solution

    |

  7. If Y = a + bx, a, b be two real constants, then prove that Range (y) =...

    Text Solution

    |

  8. Prove that /\ log f(x) = log[1+(/\ f(x))/(f(x) ].

    Text Solution

    |

  9. Find /\^2(e^(ax+b)), taking the interval of differencing as 1.

    Text Solution

    |

  10. Find the relation between a and b so that (2x^4 - 7x^3 + ax + b) may b...

    Text Solution

    |

  11. If x > 0, y >0, z > 0 and x +y + z = 1, prove that (1+x)(1+y)(1+z)ge 8...

    Text Solution

    |

  12. If P(A) = 1/2, P(B) = 1/3, and P(A^c cap B^c) = 5/12, find P(AIB) and...

    Text Solution

    |

  13. What is the probability that a number selected at random from, 1, 2, 3...

    Text Solution

    |

  14. In a throw of two unbiased dice, a boy gets a total of 5. Find the pro...

    Text Solution

    |

  15. Write down the merits and demerits of mass questionnaire method.

    Text Solution

    |

  16. State how different measures of Central tendency are affected when all...

    Text Solution

    |

  17. State how different measures of Central tendency are affected when all...

    Text Solution

    |

  18. Prove that Mean deviation is minimum about its median.

    Text Solution

    |

  19. Two groups of students are arranging an picnic near a lake.The probabi...

    Text Solution

    |

  20. Give the forniula of Fisher’s index number ?

    Text Solution

    |