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Draw, in the same diagram, a histogram and a frequency polygon to represent the following data which shows the monthly cost of living index of a city in a period of 2 years:
| Cost of living index: |
440-460 | 460-480 | 480-500 | 500-520 | 520-540 | 540-560 | 560-580 | 580-600 |
| No. of months: | 2 | 4 | 3 | 5 | 3 | 2 | 1 | 4 |
Concept: undefined >> undefined
The following is the distribution of total household expenditure (in Rs.) of manual worker in a city:
| Expenditure (in Rs): |
100-150 | 150-200 | 200-250 | 250-300 | 300-350 | 350-400 | 400-450 | 450-500 |
| No. of manual workers: | 25 | 40 | 33 | 28 | 30 | 22 | 16 | 8 |
Draw a histogram and a frequency polygon representing the above data.
Concept: undefined >> undefined
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The following table gives the distribution of IQ's (intelligence quotients) of 60 pupils of class V in a school:
| IQ's: | 125.5 to 13.25 |
118.5 to 125.5 |
111.5 to 118.5 |
104.5 to 111.5 |
97.5 to 104.5 |
90.5 to 97.5 |
83.5 to 90.5 |
76.5 to 83.5 |
69.5 to 76.5 |
62.5 to 69.5 |
| No. of pupils: |
1 | 3 | 4 | 6 | 10 | 12 | 15 | 5 | 3 | 1 |
Draw a frequency polygon for the above data.
Concept: undefined >> undefined
Draw a histogram for the daily earnings of 30 drug stores in the following table:
| Daily earning (in Rs): |
450-500 | 500-550 | 550-600 | 600-650 | 650-700 |
| Number of Stores: | 16 | 10 | 7 | 3 | 1 |
Concept: undefined >> undefined
The monthly profits (in Rs.) of 100 shops are distributed as follows:
| Profits per shop: | 0-50 | 50-100 | 100-50 | 150-200 | 200-250 | 250-300 |
| No. shops: | 12 | 18 | 27 | 20 | 17 | 6 |
Draw a histogram for the data and show the frequency polygon for it.
Concept: undefined >> undefined
Which one of the following is not the graphical representation of statistical data:
Concept: undefined >> undefined
In a frequency distribution, ogives are graphical representation of
Concept: undefined >> undefined
A frequency polygon is constructed by plotting frequency of the class interval and the
Concept: undefined >> undefined
In a histogram the area of each rectangle is proportional to
Concept: undefined >> undefined
In the 'less than' type of ogive the cumulative frequency is plotted against
Concept: undefined >> undefined
In a histogram the class intervals or the group are taken along
Concept: undefined >> undefined
A histogram is a pictorial representation of the grouped data in which class intervals and frequency are respectively taken along
Concept: undefined >> undefined
In a histogram, each class rectangle is constructed with base as
Concept: undefined >> undefined
Find the total surface area of a hemisphere of radius 10 cm.
Concept: undefined >> undefined
Determine the following polynomial has (x + 1) a factor:
x4 + x3 + x2 + x + 1
Concept: undefined >> undefined
Find the radius of a sphere whose surface area is 154 cm2.
Concept: undefined >> undefined
Determine the following polynomial has (x + 1) a factor:
x4 + 3x3 + 3x2 + x + 1
Concept: undefined >> undefined
Determine the following polynomial has (x + 1) a factor:
`x^3-x^2-(2+sqrt2)x+sqrt2`
Concept: undefined >> undefined
The hollow sphere, in which the circus motor cyclist performs his stunts, has a diameter of 7 m. Find the area available to the motorcyclist for riding.
Concept: undefined >> undefined
Find the volume of a sphere whose surface area is 154 cm2.
Concept: undefined >> undefined
