Introduction to Data Interpretation


Introduction to Data Interpretation

Direction: The following bar graph shows the production of table fans in a factory during one week. Study the bar graph and answer the given questions.

  1. The ratio of the total production of table fans in the factory from Monday to Wednesday to that from Thursday to Saturday is :









  1. View Hint View Answer Discuss in Forum

    From the given bar diagram , we see
    The total production of table fans from Monday to Wednesday = 260 + 540 + 360 = 1160
    The total production of table fans from Thursday to Saturday = 120 + 200 + 320 = 640
    Required ratio = The total production of table fans from Monday to Wednesday : The total production of table fans from Thursday to Saturday

    Correct Option: C

    From the given bar diagram , we see
    The total production of table fans from Monday to Wednesday = 260 + 540 + 360 = 1160
    The total production of table fans from Thursday to Saturday = 120 + 200 + 320 = 640
    Required ratio = The total production of table fans from Monday to Wednesday : The total production of table fans from Thursday to Saturday
    ∴ Required ratio = 1160 : 640 = 29 : 16


  1. The average production of table fans in that week is :









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    Sum of production of table fans = 260 + 540 + 360 + 120 + 200 + 320 = 1800
    Number of days = 6

    Required average =
    Sum of production of table fans
    Number of days

    Required average =
    260 + 540 + 360 + 120 + 200 + 320
    6

    Correct Option: C

    On the basis of given graph in question ,
    Sum of production of table fans = 260 + 540 + 360 + 120 + 200 + 320 = 1800
    Number of days = 6

    Required average =
    Sum of production of table fans
    Number of days

    Required average =
    260 + 540 + 360 + 120 + 200 + 320
    6

    Required average =
    1800
    = 300
    6



  1. The maximum production exceeds the minimum production by :









  1. View Hint View Answer Discuss in Forum

    As per the given bar graph , we see
    Maximum production = 540
    Minimum production = 120
    Required difference = Maximum production - Minimum production

    Correct Option: B

    As per the given bar graph , we see
    Maximum production = 540
    Minimum production = 120
    Required difference = Maximum production - Minimum production
    Required difference = 540 – 120 = 420


Direction: The bar-chart is showing the number of accidents in a city during the first six month of a year. Examine the bar chart and answer the following questions.

  1. Percentage of decrease in the number of accidents from May to June is :









  1. View Hint View Answer Discuss in Forum

    On the basis of given graph in question ,
    The number of accidents in May = 35
    The number of accidents in June = 27
    Decrease = 35 - 27 = 8

    Required percent = Decrease × 100
    The number of accidents in May

    Required percent =
    8
    × 100 =
    160
    357

    Correct Option: C

    On the basis of given graph in question ,
    The number of accidents in May = 35
    The number of accidents in June = 27
    Decrease = 35 - 27 = 8

    Required percent = Decrease × 100
    The number of accidents in May

    Required percent =
    8
    × 100 =
    160
    357

    Required percent = 22
    6
    %
    7



  1. By what number, is the number of accidents that occurred in April is greater than the average number of accidents that occurred during the 6 months period?









  1. View Hint View Answer Discuss in Forum

    According to given bar graph , we have
    Total number of accidents = 25 + 19 + 30 + 43 + 35 + 27 = 179
    Number of months = 6

    Average Number of accidents =
    Total number of accidents
    = 29.83
    Number of months

    Average Number of accidents =
    179
    = 29.83
    6

    Number of accidents in April = 43

    Correct Option: A

    According to given bar graph , we have
    Total number of accidents = 25 + 19 + 30 + 43 + 35 + 27 = 179
    Number of months = 6

    Average Number of accidents =
    Total number of accidents
    = 29.83
    Number of months

    Average Number of accidents =
    179
    = 29.83
    6

    Number of accidents in April = 43
    ∴ Required answer = 43 – 29.83 = 13.17