Students can Download Class 8 Maths Chapter 13 Statistics Ex 13.2 Questions and Answers, Notes Pdf, KSEEB Solutions for Class 8 Maths helps you to revise the complete Karnataka State Board Syllabus and to clear all their doubts, score well in final exams.
Karnataka State Syllabus Class 8 Maths Chapter 13 Statistics Ex 13.2
Question 1.
Draw a histogram to represent the following frequency distribution.
| Class interval | Frequency |
| 20 – 25 | 5 |
| 25 – 30 | 10 |
| 30 – 35 | 18 |
| 35 – 40 | 14 |
| 40 – 45 | 12 |
Answer:
Question 2.
Draw a histogram to represent the following frequency distribution.
| Class interval | Frequency |
| 10 – 19 | 7 |
| 20 – 29 | 10 |
| 30 – 39 | 20 |
| 40 – 49 | 5 |
| 50 – 59 | 15 |
Answer:
The given distribution is in the inclusive form.
d = lower limit of a class – upper limit of a class before it = 20 – 19
d = 1 , \(\frac { d }{ 2 }\) = \(\frac { 1 }{ 2 }\) = 0.5
| Stated class interval | Actual class | Frequency |
| 10 – 19 | 9.5 – 19.5 | 7 |
| 20 – 29 | 19.5 – 29.5 | 10 |
| 30 – 39 | 29.5 – 3u9.5 | 20 |
| 40 – 49 | 39.5 – 49.5 | 5 |
| 50 – 59 | 49.5 – 59.5 | 15 |
