The following table gives the number of vehicles passing through a busy crossing in Delhi in different time intervals on a particular day. Time interval, 8-9 hrs, 9-10 hrs, 10-11 hrs, 11-12 hrs, 12-13 hrs, 13-14 hrs, 14-15 hrs, 15-16 hrs, 16-17 hrs, 17-18 hrs No. of Vehicles, 300, 400, 350, 250, 200, 150, 100, 200, 300, 450 Represent the above data by a bar graph.

The following table gives the number of vehicles passing through a busy crossing in Delhi in different time intervals on a particular day. Time interval, 8 to 9 hrs, 9 to 10 hrs, 10 to 11 hrs, 11 to 12 hrs, 12 to 13 hrs, 13 to 14 hrs, 14 to 15 hrs No. of vehicles, 300, 400, 350, 250, 200, 150, 100 Represent the above data by a bar graph.

The following bar graph shows the number of vehicles passing through a road crossing in Delhi in different time intervals on a particular day. Read the bar graph and answer the following questions: What does the bar graph represent? Also, give the maximum number of vehicles. When is the hourly traffic maximum? Also give the minimum number of vehicles. When is the hourly traffic minimum? What is the total number of vehicles passing through a crossing during a particular day?

A student noted the number of cars passing through a spot on a road for 100 periods each of 3 minutes and summarised it in the table given below. Find the mode of the data: Number of cars: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Frequency: 7 14 13 12 20 11 15 8

The marks of 19 students in a test were as follows: 5, 6, 8, 9, 10, 11, 12, 13, 13, 14, 14, 15, 15, 15, 16, 16, 18, 19, 20. Calculate the median and mode.

Construct a frequency table for the following ages (in years) of 30 students using equal class intervals, one of them being 9-12, where 12 is not included. 18, 12, 7, 6, 11, 15, 21, 9, 8, 13, 15, 17, 22, 19, 14, 21, 23, 8, 12, 17, 15, 6, 18, 23, 22, 16, 9, 21, 11, 16.

The temperature of patient, admitted in a hospital with typhoid fever, taken at different times of the day are given below. Draw the temperature-time graph to represent the data: Time (in hours), 6:00, 8:00, 10:00, 12:00, 14:00, 16:00, 18:00 Temp. (in \ ^0F): , 102, 100, 99, 103, 100, 102, 99

Draw the velocity-time graph from the following data: Time (in hours), 7:00, 8:00, 9:00, 10:00, 11:00, 12:00, 13:00, 14:00 Speed in km/hr, 30, 45, 60, 50, 70, 50, 40, 45

A car is going for a long journey of 16 hours, starting at 5:00 hrs. The speeds of the car at different hours are given below: Time (in hours):, 5:00, 7:00, 9:00, 11:00, 13:00, 15:00, 17:00, 19:00, 21:00 Speed (in km/hour):, 40, 50, 60, 80, 70, 65, 75, 60, 50. Draw a velocity-time graph for the above data:

Draw the temperature-time graph in each of the following cases: Time (in hours:), 7:00, 9:00, 11:00, 13:00, 15:00, 17:00, 19:00, 21:00 Temperature \ ^0F)\ in , 100, 101, 104, 102, 100, 99, 100, 98 (ii) Time (in hours), 8:00, 10:00, 12:00, 14:00, 16:00, 18:00, 20: Temperature (\ ^0F) in, 100, 101, 104, 103, 99, 98, 100

the daily minimum temperatures in degrees Celsius recorded in a certain Arctic region are as follows: -12. 5 ,-10. 8 ,-18. 6 ,-8. 4 ,-10. 8 ,-4. 2 ,-4. 8 ,-6. 7 ,-13. 2 , -11. 8 ,-2. 3 , 1.2 , 2.6 ,0,-2. 4 ,0, 3.2 , 2.7 , 3.4 ,0,-2. 4 ,-2. 4 ,0, 3. 2 , 2.7 , 3.4 ,0,-2. 4 ,-5. 8 ,-8. 9 ,-14 ,6,-12. 3 ,-11. 5 ,-7. 8 ,-2. 9 Represent them as frequency distribution table taking -19. 9\ to-15 as the first class interval.