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Question

Give the formula for estimating mode in case of continuous series.


Solution

The following formula is used to calculate the exact value of the mode in case of continuous series after finding the modal class.

Z=l1+f1f02f1f0f2×i

(Here, Z = Value of the mode; l1= lower limit of the modal class; f1= The frequency of the modal class; f0= The frequency of pre-modal class; f2= Frequency of the next higher class or post - modal class; i= Size of the modal group.)

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