9th Class Mathematics Statistics Question Bank Self Test-14

  • question_answer
    The mark obtained by 30 students of class VIII in an examination are the following: 3,7,2,8,5,4,7,8,5,2,11,22,15,14,12,13,12,11,14, 20, 21, 23, 24, 6,18,27,21,12,13,14 Divide the data into five groups namely 0 - 5, 5 - 10,10 - 15, 15 - 20, 20 - 25. Where 0-5 means marks greater than or equal to 0 but less then five, and similarly 5-10 means marks greater than or equal to but less than 10 and so on than which is the correct frequency table?

    A)  
    Marks Tally Marks Frequency
    0 - 5 4
    5 ? 10 7
    10 ? 15 10
    15 ? 20 2
    20 ? 25 7
    Total 30

    B)  
    Marks Tally Marks Frequency
    0 ? 5 4
    5 ? 10 7
    10 ? 15 10
    15 ? 20 2
    20 ? 25 7
    Total 30

    C)  
    Marks Tally Marks Frequency
    0 ? 5 4
    5 ? 10 7
    10 ? 15 10
    15 ? 20 2
    20 ? 25 7
    Total 30

    D)
    Marks Tally Marks Frequency
    0 ? 5 4
    5 ? 10 7
    10 ? 15 10
    15 ? 20 2
    20 ? 25 7
    Total 30

    E)  
    Marks Tally Marks Frequency
    0 ? 5 4
    5 ? 10 7
    10 ? 15 10
    15 ? 20 2
    20 ? 25 7
    Total 30

    Correct Answer: E

    Solution :

       


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