Q7Short answerExercise 14.4
Following table shows a frequency distribution for the speed of cars passing through at a particular spot on a high way : Class interval (km/h) Frequency 30 - 40 3 40 - 50 6 50 - 60 25 60 - 70 65 70 - 80 50 80 - 90 28 90 - 100 14 Draw a histogram and frequency polygon representing the data above. STATISTICS AND PROBABILITY 149