Find the value of x if mode of 15, 20, 25, 18, 14, 15, 18, 16, 20, 25, 18, x, 16is 18.
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The frequency table of the given data is as given below:
Value (x
i
): 14 15 16 18 20 25 x
Frequency (f
i
): 1 3 1 3 3 3 1
It is given that the mode of the given data is 25. So, it must have the maximum frequency. That is possible only when x=25.
Hence. x=25.
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