Introduction to Data Interpretation


Introduction to Data Interpretation

Direction: Study the double bar graph given below and answer the questions.

  1. The ratio of the participants in exhibition of class IX with the total participants of class IX is









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Number of participants in exhibition of class IX = 75
    Total participants of class IX = 75 + 30 = 105

    Correct Option: A

    On the basis of given graph in question ,
    Number of participants in exhibition of class IX = 75
    Total participants of class IX = 75 + 30 = 105
    Required ratio = 75 : (75 + 30) = 75 : 105 = 5 : 7


  1. The average of the number of students participating in exhibition is









  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    Total number of students Participating in exhibition = 45 + 30 + 60 + 75
    Number of classes = 4

    Average number of students Participating in exhibition =
    45 + 30 + 60 + 75
    =
    210
    44

    Correct Option: B

    From the given bar diagram , we see
    Total number of students Participating in exhibition = 45 + 30 + 60 + 75
    Number of classes = 4

    Average number of students Participating in exhibition =
    45 + 30 + 60 + 75
    =
    210
    44

    Average number of students Participating in exhibition = 52.5



  1. The average of the number of students participating in cultural events is









  1. View Hint View Answer Discuss in Forum

    As per the given bar graph , we have
    Total number of students participating in cultural events = 60 + 45 + 45 + 30
    Number of classes = 4

    Average number of students participating in cultural events =
    60 + 45 + 45 + 30
    4

    Correct Option: C

    As per the given bar graph , we have
    Total number of students participating in cultural events = 60 + 45 + 45 + 30
    Number of classes = 4

    Average number of students participating in cultural events =
    60 + 45 + 45 + 30
    4

    Average number of students participating in cultural events =
    180
    = 45
    4


  1. The class having maximum number of participants in exhibition is









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,From class IX 75 students participated in exhibition.

    Correct Option: A

    On the basis of given graph in question , From class IX 75 students participated in exhibition.
    Hence , Class IX is required answer for this question .



Direction: Study the bar diagram and answer the questions.

  1. The respective ratio of number of girls from Philosophy Department to the number of girls from Psychology Department is









  1. View Hint View Answer Discuss in Forum

    According to given bar graph , we have
    Number of girls from Philosophy Department = 140
    Number of girls from Psychology Department = 220
    Required ratio = Number of girls from Philosophy Department : Number of girls from Psychology Department

    Correct Option: A

    According to given bar graph , we have
    Number of girls from Philosophy Department = 140
    Number of girls from Psychology Department = 220
    Required ratio = Number of girls from Philosophy Department : Number of girls from Psychology Department
    Required ratio = 140 : 220 = 7 : 11