Answer :

Draw the cumulative frequency table;

N = ∑f = 50 (even)

Median = 1/2 [value of (n/2)th term + value of (n/2 + 1)th term]

Median = 1/2 [value of 25th term + value of 26th term]

Median = 1/2 [154 + 155] = 309/2 = 154.5cm

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