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Frequency Polygon

The following...

Question

The following is the frequency distribution of customers at a departmental store in a certain year.

No. of customers 50-100 100-150 150-200 200-250 Total

No. of days 90 98 138 39 365

Draw a histogram and frequency curve of the data.

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Solution

The histogram and frequency curve are shown below.

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Similar questions

Q. Following is the frequency distribution of customers in a certain year at the departmental store.

No. of customers	$50 - 100$	$100 - 150$	$150 - 200$	$200 - 250$	Total
No. of days	$90$	$98$	$138$	$39$	$365$

Use suitable graphical representation to represent the given data.

Q. 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.

Q. 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.

Q. The frequency distribution table shows the number of mango trees in a grove and their yield of mangoes. Find the median of data.

No. of Mangoes	50 - 100	100 - 150	150 - 200	200 - 250	250 - 300
No. of trees	33	30	90	80	17

Q. The daily earnings of 30 workers are given below:

Daily earning (in ₹)	No. of workers
1-50	3
50-100	7
100-150	4
150-200	5
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250-300	3
300-350	2
350-400	2

Draw a histogram and a frequency polygon to represent the above data.

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