Please explain me the relation between class marks, lower limit and upper limit?

Please explain me the relation between class marks, lower limit and upper limit?

2

Answers


  1. 0 Votes

    class mark is the midpoint of class interval – obtained by adding lower and upper class limits and dividing by 2

    A class mark is also called a midvalue or central value

    10-20 here lower limit is 10, upper limit is 20 and class mark is (10+20)/2 = 15
    20-30
    30-40

  2. 0 Votes

    class mark= upper limit- lowerlimit/ 2

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