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Data Handling Test - 14

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Data Handling Test - 14
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  • Question 1
    1 / -0

    There are five identical cards. On each card, a vowel is written. A card is drawn at random. What are the possible outcomes of the experiment?

    Solution

    We know that the vowel letters are A, E, I, O and U.

    When a card is drawn, it can be any of the written letters.

    Thus, the required possible outcomes are {A, E, I, O, U}.

    The correct answer is A.

  • Question 2
    1 / -0

    Use the following information to answer the next question.

    The given data shows the distribution of the monthly expenditure of 170 students of a college.

    Monthly Expenditure (Rs)

    Frequency

    2000 − 3000

    25

    3000 − 4000

    50

    4000 − 5000

    45

    5000 − 6000

    30

    6000 − 7000

    20

    How many students spend less than Rs 5000 in a month?

    Solution

    We know that frequency is the number of times an observation occurs in the data.

    It can be seen from the given data that:

    Number of students whose monthly expenditure is between Rs 2000 and Rs 3000 is 25.

    Number of students whose monthly expenditure is between Rs 3000 and Rs 4000 is 50.

    Number of students whose monthly expenditure is between Rs 4000 and Rs 5000 is 45.

    Number of students whose monthly expenditure is between Rs 5000 and Rs 6000 is 30.

    Number of students whose monthly expenditure is between Rs 6000 and Rs 7000 is 20.

    Thus, the number of students whose monthly expenditure in less than Rs 5000 is (25 + 50 + 45) = 120.

    The correct answer is B.

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