Represent the following data using a histogram. Height of students (cm) 140 – 144 145 – 149 150 – 154 155 – 159 Number of students 2 12 10 4 Solution: Let us make the continuous class interval.

2. Represent the following data using a histogram.

Height of students (cm)	140 – 144	145 – 149	150 – 154	155 – 159
Number of students	2	12	10	4

Solution: Let us make the continuous class interval.

Height of students (cm)	Extended Class	Number of students.
140 – 144	139.5 – 144.5	2
145 – 149	144.5 – 149.5	12
150 – 154	149.5 – 154.5	10
155 – 159	154.5 – 159.5	4