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Explain the meaining of each of the foll...

Explain the meaining of each of the following terms:
(i)Variate (ii)Class interval (iii)Class size
(iv)Class mark (v)Class limit (vi)True class limits
(vii)Frequency of a class (viii)Cumulative frequency of a class

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Explain the meaning of the following terms: variate (ii) class-integral (iii) class-size class-mark (v) frequency class limites (vii) true class limits

Explain the meaning of the following: (i) Class-interval(ii) Class size (iii) Frequency (iv) Class limits (v) True class limits

Knowledge Check

  • The mid-value of a class interval is 25 and the class size is 8. The class interval is

    A
    37 - 45
    B
    21 - 29
    C
    36.5 - 44.5
    D
    36.5 - 46.5

  • Class mark of a particular class is 6.5 and class size is 3, then class interval is:

    A
    5-8
    B
    ` 6.5-9.5 `
    C
    ` 3.5-6.5 `
    D
    ` 4.25 `

  • Class mark of class interval 60–70 is

    A
    60
    B
    70
    C
    65
    D
    72

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    Write the upper classs limit and the lower class limit of the class 35-40.

    Determine the upper limit of the modal class of the following frequency distribution:

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