Home
Class 9
MATHS
In a class, seven students got 90 marks ...

In a class, seven students got 90 marks each, the frequency of the observation 90 is _____.

Text Solution

Verified by Experts

The correct Answer is:
7
Promotional Banner

Topper's Solved these Questions

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise SHORT ANSWER TYPE QUESTIONS|14 Videos

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise ESSAY TYPE QUESTION|5 Videos

  • STATISTICS

    PEARSON IIT JEE FOUNDATION|Exercise LEVEL-3|19 Videos

  • SIMPLE INTEREST AND COMPOUND INTEREST

    PEARSON IIT JEE FOUNDATION|Exercise CONCEPT APPLICATION|1 Videos

  • TRIGONOMETRY

    PEARSON IIT JEE FOUNDATION|Exercise Level 3|15 Videos

Similar Questions

Explore conceptually related problems

In a class of 15 students, the total marks obtained by all the students in a test is 600. Find the average mark of the class.

800 chocolates were distributed among the students of a class. East student got twice as many chocolates as the number of students in the class. The number of students in the class was:

in a class of 240 students , each student got sweets that are 15% of the total number of students. How many sweet were there ?

The mark of the class 90-120 is

The average marks obtained by 45 students in a class is 80. The difference between the marks of the student who got the highest mark and the student who got the least mark is 99. If both these students are not considered, the average of the class falls by 1 mark. Find the highest mark.

PEARSON IIT JEE FOUNDATION-STATISTICS-VERY SHORT ANSWER TYPE QUESTIONS
  1. If 1-10, 11-20, 21-30, 31-40, ......., are the classes of a frequency ...

    Text Solution

    |

  2. If 1-5, 6-10, 11-15, ........, are classes of a frequency distribution...

    Text Solution

    |

  3. In a class, seven students got 90 marks each, the frequency of the obs...

    Text Solution

    |

  4. If the lower boundary of a class is 35 and length of the class is 5, t...

    Text Solution

    |

  5. Range of the scores 27, 35, 47, 36, 25 and x is 23, wher x lt 25, then...

    Text Solution

    |

  6. In a histogram, width of the rectangle represents of the class and le...

    Text Solution

    |

  7. If the median of the scores 1, 2, x, 4 and 5 (where 1 lt 2 lt x lt 4 l...

    Text Solution

    |

  8. In a less than cumulative frequency distribution, frequency and cumula...

    Text Solution

    |

  9. Mode of the scores 2, 3, 2, 4, 3, 2, 4, 6 is .

    Text Solution

    |

  10. If the median of scores x/2, x/3, x/4, x/5a n dx/6(w h e r e\ x >0)...

    Text Solution

    |

  11. The coefficient of range of the scores 1, 2, 3, 4 and 5 is .

    Text Solution

    |

  12. If sum of the 20 deviations from the mean is 100, then the mean deviat...

    Text Solution

    |

  13. If lower and upper quartiles of the data are x and y respectively, the...

    Text Solution

    |

  14. If mode and median of the certain scores are 2 and 2, then mean is .

    Text Solution

    |

  15. If the mean of the scores x(1), x(2), x(3), x(4), x(5) "and" x(6) is x...

    Text Solution

    |

  16. If the mean of a, b and c is b, then a + c in terms of b is .

    Text Solution

    |

  17. If lower and upper quartiles of the data are 23 and 25 respectively, t...

    Text Solution

    |

  18. Mode of certain scores is x. If each score is decreased by 3, then the...

    Text Solution

    |

  19. If the mean of 2, 4, 6, 8, x and y is 5, then x + y is .

    Text Solution

    |

  20. Find the mean of the following: 10(1)/(4), 9, 4 (3)/(4), 8, 2 (2)/(3...

    Text Solution

    |