The monthly profits (in Rs.) of 100 shops are distributed as follows: Profits per shop: 0-50 50-100 100-150 150-200 200-250 250-300 No. of shops: 12 18 27 20 17 6 Draw the frequency polygon for it.

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 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.

Consider the marks, out of 100, obtained by 51 students of a class in a test, given in Table 14.9. M a r k sN u m b e r\ o f\ S t u d e n t s0-10 5 10-20 10 20-30 4 30-40 6 40-50 7 50-60 3 60-70 2 70-80 2 80-90 3 90-100 9Tot a l 51 Draw a frequency polygon corresponding to this frequency distribution table.

Find the mean of the following frequency distributions: Class: 50-70 70-90 90-110 110-130 130-150 150-170 interval Frequency: 18 12 13 27 8 22

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.

Consider the following distribution of daily wages of 50 workers of a factory. Daily wages (in Rs).: 100-120 120-140 140-160 160-180 180-200 Number of workers: 12 14 8 6 10 F i nd the mean daily wages of the workers of the factory by using an appropriate method.

For the following data, draw a histogram and a frequency polygon: Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 900-100 No. of Students 5 10 4 6 7 3 2 2 3 9

Find the mean of the following frequency distribution: Classes: 0-20 20-40 40-60 60-80 80-100 Frequency: 15 18 21 29 17

Find the mean of the following frequency distribution: Classes: 0-20 20-40 40-60 60-80 80-100 Frequency: 15 18 21 29 17

The following table gives the marks scored by 100 students in an entrance examination. Marks: 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 No. of Students (Frequency): 4 10 16 22 20 18 8 2 Represent this data in the form of a histogram.