Draw a histogram and frequency polygon for the following distribution. Also calculate the
average marks of the students of this class.
Marks BelowNo. of StudentsMarks BelowNo. of Students
10
20
30
40
15
35
60
84
50
60
70
80
96
127
198
250
(Hint: arithmetic mean of a grouped data =Sx.*n/S n)
3.7 Advanced Concepts on Plot Annotation and Labeling
Sometimes you have to use specific font types, font sizes, and font faces (bold/italic). In scien-
tific presentations you may need to use certain notations and symbols while labeling your plots.
Consider the previous example of the exponential function in section ...
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