The following table shows the daily production of T.V. sets in an industry for 7 days of a week: Day, Mon, Tue, Wed, Thurs, Fri, Sat, Sun No. of T.V. Sets, 300, 400, 150, 250, 100, 350, 200 Represent the above information by a pictograph

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 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 distribution of total household expenditure (in rupees) of manual workers in a city. Expenditure: (in Rs.) 100-150 150-200 200-250 250-300 300-350 350-400 400-450 450-500 Frequency: 24 40 33 28 30 22 16 7 Find the average expenditure (in Rs.) per household.

The following table gives the distribution of total household expenditure (in rupees) of manual workers in a city. Expenditure (in rupees) (x_i) Frequency (f_i) 100-150 24 150-200 40 200-250 33 250-300 28 300-350 30 350-450 22 400-450 16 450-500 7 Find the average expenditure (in rupees) per household.