# Look at the histogram below and answer the questions that follow.

(a) How many students have height more than or equal to 135 cm but less than 150 cm?

(b) Which class interval has the least number of students?

(c) What is the class size?

(d) How many students have height less than 140 cm?

**Solution:**

(a) Students have height more than or equal to 135 cm but less than 150 cm are 14 + 18 + 10 = 42

(b) The class interval is 150-155

(c) The size of class is 155 - 150 = 5

(d) Students having height less than 140cm are 6 + 8 + 14 = 28

**✦ Try This:** Look at the histogram below and answer the questions that follow.

(a) How many students have height more than or equal to 145 cm but less than 150 cm?

(b) Which class interval has the highest number of students?

(c) What is the class size?

(d) How many students have height less than 130 cm?

**☛ Also Check: ** NCERT Solutions for Class 8 Maths Chapter 5

**NCERT Exemplar Class 8 Maths Chapter 2 Problem 90**

## Look at the histogram below and answer the questions that follow. (a) How many students have height more than or equal to 135 cm but less than 150 cm, (b) Which class interval has the least number of students, (c) What is the class size, (d) How many students have height less than 140 cm?

**Summary:**

(a) Students have height more than or equal to 135 cm but less than 150 cm are 42, (b) The class interval is 150-155, (c) The size of class is 155 - 150 is 5, (d) Students having height less than 140cm are 28

**☛ Related Questions:**

- Following are the number of members in 25 families of a village: 6, 8, 7, 7, 6, 5, 3, 2, 5, 6, 8, 7, . . . .
- Draw a histogram to represent the frequency distribution in question 91. Number of families(class) F . . . .
- The marks obtained (out of 20) by 30 students of a class in a test are as follows: 14, 16, 15, 11, 1 . . . .

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