Ex – 13.3 Que No. 5 Q.5) The following table gives the distribution of the life time of 400 neon lamps : Find the median life time of a lamp. Solution:- Next Ex – 13.3 Que No. 1 Ex – 13.3 Que No. 2 Ex – 13.3 Que No. 3 Ex – 13.3 Que No. 4 Ex – 13.3 Que No. 5 Ex – 13.3 Que No. 6 Ex – 13.3 Que No. 7