Mean and Median of Ungrouped Data

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  • Q1

    Find median of 6 multiples of 7.

    Marks:1
    Answer:

    Six multiples of 7 are:
    7, 14, 21, 28, 35 and 42
    Number of observations, n = 6 (even)

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  • Q2

    Find mean of all factors of 21.

    Marks:1
    Answer:

    Factors of 21 are 1, 3, 7 and 21.

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  • Q3

    Find median of first 9 whole numbers.

    Marks:1
    Answer:

    First 9 whole numbers are:

    0, 1, 2, 3, 4, 5, 6, 7 and 8

    The number of observations, n = 9 (odd)
    so,

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  • Q4

    Find mean of first 8 natural numbers.

    Marks:1
    Answer:

    First 8 natural numbers are:

    1, 2, 3, 4, 5, 6, 7 and 8

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  • Q5

    Find mean of 43, 45, 54, 63, 76 and 74.

    Marks:1
    Answer:

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