Q1 of 174 Page 565

The daily wages of 50 workers in a factory are given below:





















Daily wages (in rupees)



140-180



180-220



220-260



260-300



300-340



340-380



Number of workers



16



9



12



2



7



4



Construct a histogram to represent the above frequency distribution.

The given frequency distribution is in exclusive form, we will represent the class intervals along the X-axis and the corresponding frequency on the Y axis.


Now take the scale of,


1 big division = 40 rupees on X-axis,


1 big division = 2 workers on Y axis


We will draw the rectangles with the class intervals as basis and the corresponding frequency as the height.


Thus, we get the following histogram.



More from this chapter

All 174 →
12

Various modes of transport used by 1850 students of a school are given below.

















School bus



Private bus



Bicycle



Rickshaw



By foot



640



360



490



210



150



Draw a bar graph to represent the above data.

 13

Look at the bar graph given below.


Bar Graph Showing the marks obtained by a student in an examination


Read it carefully and answer the following questions.


(i) What information does the bar graph give?


(ii) In which subject is the student very good?


(iii) In which subject is he poor?


(iv) What is the average of his marks?

 2

The following table shows the average daily earnings of 40 general stores in a market, during a certain week.





















Daily earnings (in rupees)



600-650



650-700



700-750



750-800



800-850



850-900



Number of stores



6



9



2



7



11



5



Draw a histogram to represent the above data.

 3

The heights of 75 students in a school are given below:





















Height (in cm)



130-136



136-142



142-148



148-154



154-160



160-166



Number of students



9



12



18



23



10



3



Draw a histogram to represent the above data.