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Find the lower class-boundary of the con...

Find the lower class-boundary of the continuous frequency distribution of which the mid-value is m and the upper class-boundary is u.

Text Solution

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The correct Answer is:
`=2m-u`
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Knowledge Check

  • In a continuous frequency distribution table the mid value of a class is m and upper class boundary is u. Determine the lower class boundary.

    A
    2m-u
    B
    2m+u
    C
    m+u
    D
    m-u

  • The mid-value of a class-interval of a frequency distribution is x and its lower -boundary is y. Then its upper -boundary=

    A
    2x
    B
    `2y-x`
    C
    `2x+y`
    D
    `2x-y`

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