Question

Life time in hours
300-400
400-500
500-600
600-700
700-800
800-900
900-1000

Number of lamps
14
56
60
86
74
62
48

Represent the above information with the help of histogram.​

Answer 1

Answer:

700-800. 64watts

Step-by-step explanation:

REF. image

number of neon lamps having their life time more than 700=No. of neon lamps having their life time as 700-1000=No. of neon lamps having their life time (700-800)+=No. of neon lamps having their life time 800-900+=No. of neon lamps having their life time 900-1000 hours=74+62+48= 184.