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Question
The class mark of the class 15 – 20 is ______.
Options
17.5
15.5
17
18.5
MCQ
Fill in the Blanks
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Solution
The class mark of the class 15 – 20 is 17.5.
Explanation:
The class mark (midpoint) = `("Lower limit" + "Upper limit")/2`
= `(15 + 20)/2`
= 17.5
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