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)


 

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