Explain the variables covered in the formula of finding mode in grouped data according to NCERT book Class 10 Maths exercise 14.2 .
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l = modal class's lowest limit
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h = denotes the length of the class interval (assuming all class sizes to be equal)
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f ₁ =represents the frequency of the modal class
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f ₀ =represents the frequency of the class preceding the modal class
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f ₂ = represents the frequency of the class following the modal class.