Q4 of 12 Page 25

In a hypothetical sample of 20 people the amounts of money with them were found to be as follows:

114, 108, 100, 98, 101, 109, 117, 119, 126, 131, 136, 143, 156, 168, 182, 195, 207, 219, 235, 118.


Draw the histogram of the frequency distribution (taking one of the class intervals as 50-100).























Class interval



Frequency



50 – 100



2



100 – 150



11



150 – 200



4



200 – 250



3




By drawing class interval on ‘x’ axis and frequency on ‘y’ axis. The height of histogram shows the frequency for particular class interval.



More from this chapter

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2

Draw a histogram of the following data:





















Class interval:



10-15



15-20



20-25



25-30



30-35



35-40



Frequency:



30



98



80



58



29



50


 3

Number of workshops organized by a school in different areas during the last five years are follows:











Years



No. of workshops



1995-1996


1996-1997


1997-1998


1998-1999


1999-2000



25


30


42


50


65



Draw a histogram representing the above data:

 5

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



Number of Schools :



5



12



14



18



10



9



4


 6

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



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