NCERT solutions for class 9 Maths
Statistics
Chapter 14
Exercise 14.1
Ex 14.1 Question 1.
Give five examples of data that you collect from your day-to-day life.
Solution:
Five examples of data that we can collect from our day-to-day life :
- Number of boys students in our class.
- Weight of our classmate.
- Electricity bills of our house for last two years.
- time spend for playing games in a particular week.
- Rainfall in our city in last 5 years.
Ex 14.1 Question 2.
Classify the data in Q.1 above as primary or secondary data.
Solution:
We have,
Primary data: (i), (ii) and (iii)
Secondary data: (iv) and (v)