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.

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 data gives the distribution of total household expenditure (in rupees) of manual workers in a city: Expenditure (Rs.) Frequency Expenditure ( Rs.) Frequency 1000-1500 24 3000-3500 30 1500-2000 40 3500-4000 22 2000-2500 33 4000-4500 16 2500-3000 28 4500-5000 7 Find the average expenditure which is being done by the maximum number of manual workers.

The following data gives the distribution of total household expendilture ( in Rs. ) of workers is a city : Find the average expenditure which is being done by maximum number of manual workers.

The table below shows the daily expenditure on food of 25 households in a locality. daily expenditure(in rs) 100-150 150-200 200-250 250-300 300-350 no. of households 4 5 12 2 2 Find the mean daily expenditure on food by a suitable method.

The following data gives the distribution of total monthly household expenditure of 200 families of a village. Find the modal monthly expenditure of the families. Also, find the mean monthly expenditure: Expenditure (Rs.) Frequency Expenditure (Rs.) Frequency 1000-1500 24 3000-3500 30 1500-2000 40 3500-4000 22 2000-2500 33 4000-4500 16 2500-3000 28 4500-5000 7

Find the median of the following data: Classes: 0-50 50-100 100-150 150-200 200-250 250-300 300-350 Frequency: 2 3 5 6 5 3 1

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

Draw a histogram to represent the following {:("Pocket money in ₹ ", 150-200,200-250,250-300,300-350,350-400),(" Frequency "," "10, " "5, " "7 , " "14, " "3):}

To promote making of toilets for women, an organisation tried to generate awareness attempt (i) house calls (ii) letters, and (iii) announcements. The cost for each mode per attempt is given below: (i) Rs 50 (ii) Rs 20 (iii) Rs 40 The number of attempts made in three villages X ,\ Y and Z are given below: (i) (ii) (iii) X 400 300 100 Y 300 250 75 Z 500 400 150 Find the total cost incurred by the organisation for three villages separately, using matrices.

Following figures relate the weekly wages (in Rs.) of 15 workers in a factory: 300,250,200,250,200,150,350,200,250,200,150,300,150,200,250 Prepare a frequency table. What is the range in wages (in Rs.) How many workers are getting Rs. 350? How many workers are getting the minimum wages?