# Exercise 14.1 Statistics NCERT Solutions Class 9

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## Chapter 14 Ex.14.1 Question 1

Give five examples of data that you can collect from your day to day life.

### Solution

Steps:

Think of data we can collect in our day to day life, in and around where we live

1. Number of houses that own a four-wheeler in our housing society.
2. Monthly grocery expenses of our family.
3. Number of people who have used e-services of the state govt over a year.
4. Number of students who have enrolled for math Olympiad in your class.
5. Population increase in percentage over the past five years in our city.

## Chapter 14 Ex.14.1 Question 2

Identify the data in $$14.1(1)$$ above as primary or secondary.

### Solution

Reasoning:

Think how have you collected the data:

1. Did you collect the data all by yourself investigating around? If yes, primary.
2. Did you obtain the data from a source where the information has been stored already? If yes, secondary.

Steps:

Based on the observation, data in $$2, 4$$ are primary and the data in $$1, 3$$ and $$5$$ are secondary.

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