Home
Class 10
MATHS
Find the value of frequecies in the foll...

Find the value of frequecies in the following frequency distribution table, if n=100 and median is 32 `[[Marks,0-10,10-20,20-30,30-40,40-50,50-60,Total],[Number of student,10,x,25,30,y,10,100]]`

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER 2019

    X BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION-C|5 Videos

Similar Questions

Explore conceptually related problems

Compute the missing frequencies in the following distribution , given that is sum f_(i) = 100 and the median is 32 {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60),("Number of students "," "9," "?, " "26, " "30, " " ?, " "10):}

Find the mean of the following frequency distribution using step-deviation method. Class 0-10 10-20 20-30 30-40 40-50 Frequency 7 10 15 8 10

Find the mean of the following frequency distribution, using step-deviation method: Class 0-10 10-20 20-30 30-40 40-50 Frequency 7 12 13 10 8

The median class in the following frequency distribution is {:("Class interval :",0-10,10-20,20-30,30-40,40-50),("Frequency :",12,13,25,20,10):}

The modal class for the following frequency distribution, is {:("Marks:", 0-10,10-20,20-40,40-50,50-60,60-70,70-90,90-100),("No. of students:",4,6,14,16,14,8,16,5):}

If the mode for the following frequency distribution is 22 and 10 gt y gt x, "them "y= {:("Class-interval:", 0-10,10-20,20-30,30-40,40-50,"Total"),("Frequency:", 5,8,10,x,y,30):}

Find the mean of the following frequency distributions: Class interval: 0-10 10-20 20-30 30-40 40-50 Frequency: 9 12 15 10 14

Compute D3 for the following distribution : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80,),("No.of students",3,10,17,7,6,4,2,1,):}

Find the mode of the following frequency distribution of marks obtained by 50 students. Marks obtained 0−10 10−20 20−30 30−40 40−50 No. of students 5 12 20 10 3

If the median of the following frequency distribution is 28.5 find the missing frequencies: Class interval: 0-10 10-20 20-30 30-40 40-50 50-60 Total Frequency: 5 f_1 20 15 f_2 5 60

X BOARD PREVIOUS YEAR PAPER ENGLISH-X Boards-All Questions
  1. The angle of elevation of a jet plane from a point A on the grund is 6...

    Text Solution

    |

  2. Prove that ((1+cot theta +tan theta)(sin theta - cos theta))/(sec ^3 t...

    Text Solution

    |

  3. Find the value of frequecies in the following frequency distribution t...

    Text Solution

    |

  4. A child has a die whose 6 faces show the letter as given below: A,B,C,...

    Text Solution

    |

  5. Find the sum of the first 100 natural numbers.

    Text Solution

    |

  6. AOBC is a rectangle whose three vertices are A(0,-3), O(0,0) and B (4,...

    Text Solution

    |

  7. For an AP, it is given that first term (a)= 5 and Common Difference (d...

    Text Solution

    |

  8. The value(s) of k for which the quadratic equation 2x^2 + kx + 2 = 0 ...

    Text Solution

    |

  9. Evaluate (2tan45^@ xx cos 60^@)/sin30^@

    Text Solution

    |

  10. on dividing a polynomial p(x) by x^2- 4, quotient and remainder are fo...

    Text Solution

    |

  11. In the formula barx=a+((sumfiui)/(sumfi))xx h, ui=

    Text Solution

    |

  12. The angle of elevation of the top of a tower from a point on the gro...

    Text Solution

    |

  13. Use Euclid's division lemma to show that the square of any positive ...

    Text Solution

    |

  14. Show that 5+2sqrt(7) is an irrational number, where sqrt(7) is given t...

    Text Solution

    |

  15. All concentric circles are..... to each other.

    Text Solution

    |

  16. 2 cubes, each of volume 125 cm^3, are joined end to end . Find the sur...

    Text Solution

    |

  17. The radius of a sphere (in cm) whose volume is 12pi cm^3, is (A) 3 ...

    Text Solution

    |

  18. The LCM of two numbers is 182 and their HCF is 13. If one of the numbe...

    Text Solution

    |

  19. In the figure-3, from an external point P, two tangents PQ and PR are ...

    Text Solution

    |

  20. find the ratio in which the y-axis divides the line segment joining th...

    Text Solution

    |