NCERT Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1 are part of NCERT Solutions for Class 9 Maths. Here we have given NCERT Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1.
- Statistics Class 9 Ex 14.1
- Statistics Class 9 Ex 14.2
- Statistics Class 9 Ex 14.3
- Statistics Class 9 Ex 14.4
Board | CBSE |
Textbook | NCERT |
Class | Class 9 |
Subject | Maths |
Chapter | Chapter 14 |
Chapter Name | Statistics |
Exercise | Ex 14.1 |
Number of Questions Solved | 2 |
Category | NCERT Solutions |
NCERT Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1
Ex 14.1 Class 9 Maths Question 1.
Give five examples of data that you collect from your day-to-day life.
Solution.
Five examples of data that we can gather from our day-to-day life are
- number of students in our class.
- number of fans in our class.
- electricity bills of our house for last two years.
- election results obtained from television or news paper.
- literacy rate figures obtained from educational survey.
Of course, remember that there can be many more different answers.
Ex 14.1 Class 9 Maths Question 2.
Classify the data in Q. 1 above as primary or secondary data.
Solution.
We know that, when the information was collected by the investigator herself or himself with a definite objective in her or his mind, the data obtained is called primary data.
∴ In the given data (in Q.l) examples (i), (ii) and (iii) are called primary data and when the information was gathered from a source which already had the information stored, the data obtained is called secondary data.
∴ In the given data (in Q.l) examples (iv) and (v) are called secondary data.
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