1.

Draw a histogram for the marks of students given below:

Answer»

Solution :Here, MINIMUM class-size = 5. So, we adjust the frequencies by USING the following formula:
Adjusted frequency of a class `="Minimum class-size"/"calss-size" xx "frequency of the class"`
The adjusted frequencies are COMPUTED as FOLLOWS:

Now, we construct rectangles with class-limits as bases and RESPECTIVE adjusted frequencies as heights.


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