NCERT Exercise 12.1 Q5 - Statistics
Question: The following table gives the life times of 400 neon lamps: 300-400 (14), 400-500 (56), 500-600 (60), 600-700 (86), 700-800 (74), 800-900 (62), 900-1000 (48). (i) Represent the given information with the help of a histogram. (ii) How many lamps have a life time of more than 700 hours?
Answer: (i) Histogram constructed. (ii) 184 lamps.
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