Q1 of 52 Page 23

Construct a histogram for the following data:























Monthly school


Fee (in Rs.)



30-60



60-90



90-120



120-150



150-180



180-210



210-240



No. of schools



5



12



14



18



10



9



4



More from this chapter

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17

The production of oil (in lakh tonnes) in some of the refineries in India during 1982 was given below:



















Refinery



Barauni



Koyali



Mathura



Mumbai



Florida



production of oil (in lakh tonnes)



30



70



40



45



25



Construct a bar graph to represent the above data so that the bars are drawn horizontally.

 18

The expenditure (in 10 crores of rupees) on health by the Government of India during the various five year plans is shown below:





















Plans :



I



II



III



IV



V



VI



Expenditure On health


(in 10 crores of rupees)



7



14



23



34



76



182



Construct a bar graph to represent the above data.

 2

The distribution of heights (in cm) of 96 children is given below. Construct a histogram and a frequency polygon on the same axes.





























Height (in cm)



124 to 128



128 to 132



132 to 136



136 to 140



140 to 144



144 to 148



148 to 152



152 to 156



156 to 160



160 to 164



No. Of


children



5



8



17



24



16



12



6



4



3



1


 3

The time taken, in seconds, to solve a problem by each of 25 pupiles is as follows:

16, 20, 26, 27, 28, 30, 33, 37, 38, 40, 42, 43, 46, 46, 46, 48, 49, 50, 53, 58, 59, 60, 64, 52, 20


(a) Construct a frequency distribution for these data, using a class interval of 10 seconds.


(b) Draw a histogram to represent the frequency distribution.