NCERT Solutions Class 9 Maths
Chapter – 14 (Statistics)
The NCERT Solutions in English Language for Class 9 Mathematics Chapter – 14 Statistics Exercise 14.1 has been provided here to help the students in solving the questions from this exercise.
Chapter 14: Statistics
- NCERT Solution Class 9 Maths Ex – 14.2
- NCERT Solution Class 9 Maths Ex – 14.3
- NCERT Solution Class 9 Maths Ex – 14.4
Exercise – 14.1
1. Give five examples of data that you can collect from your day-to-day life.
Answer – Five examples from day-to-day life:
i. Number of students in our class.
ii. Number of fans in our school.
iii. Monthly grocery expenses of our home.
iv. Election results obtained from television or newspapers.
v. Literacy rate figures obtained from Educational Survey
2. Classify the data in Q.1 above as primary or secondary data.
Answer – Primary data: 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.
Primary data; (i), (ii) and (iii)
Secondary data; when the information was gathered from a source which already had the information stored, the data obtained is called secondary data
Secondary data; (iv) and (v)
