Draw an ogive for each of the following distributions:
Age in years (less than) 10 20 30 40 50 60 70
Cumulative Frequency 0 17 32 37 53 58 65

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Solution

Age in years
(less than)
Cumulative
Frequency
10 0
20 17
30 32
40 37
50 53
60 58
70 65
Steps Of construction:
(a) Plot the points $(10, 0), (20, 17), (30, 32), (40, 37), (50, 53), (60, 58)$ and $(70, 65)$ on the graph.
(b) Join them with a free hand to obtain an ogive.

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Q. Draw an Ogive for the following frequency distribution by less than method and also find its median from the graph

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Draw an ogive for each of the following distributions :

(i) $\begin{matrix} M a r k s o b t a i n e d & l e s s t h a n 10 & l e s s t h a n 20 & l e s s t h a n 30 & l e s s t h a n 40 & l e s s t h a n 50 F r e q u e n c y & 8 & 25 & 38 & 50 & 67 \end{matrix}$

(ii) $\begin{matrix} Age in years (less than) & 10 & 20 & 30 & 40 & 50 & 60 & 70 Frequency & 0 & 17 & 32 & 37 & 53 & 58 & 65 \end{matrix}$

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Age in years (less than)	10	20	30	40	50	60	70
Cumulative Frequency	0	17	32	37	53	58	65

Age in years (less than)	Cumulative Frequency
10	0
20	17
30	32
40	37
50	53
60	58
70	65

Draw an ogive for each of the following distributions:Age in years (less than)10203040506070Cumulative Frequency0173237535865

Age in years(less than) CumulativeFrequency100201730324037505360587065Steps Of construction:(a) Plot the points (10,0),(20,17),(30,32),(40,37),(50,53),(60,58) and (70,65) on the graph.(b) Join them with a free hand to obtain an ogive.

Draw an ogive for each of the following distributions:
Age in years (less than) 10 20 30 40 50 60 70
Cumulative Frequency 0 17 32 37 53 58 65

Age in years
(less than)
Cumulative
Frequency
10 0
20 17
30 32
40 37
50 53
60 58
70 65
Steps Of construction:
(a) Plot the points $(10, 0), (20, 17), (30, 32), (40, 37), (50, 53), (60, 58)$ and $(70, 65)$ on the graph.
(b) Join them with a free hand to obtain an ogive.