NCERT Solutions For Class 9 Maths Chapter 14 Statistics Ex 14.1

Here, Below you all know about NCERT Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1 Question Answer. I know many of you confuse about finding these Chapter 14 Statistics Ex 14.1 Of Class 9 NCERT Solutions. So, Read the full post below and get your solutions.

NCERT Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1

NCERT TEXTBOOK EXERCISES

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
(i) number of students in our class.
(ii) number of fans in our class.
(iii) electricity bills of our house for last two years.
(iv) election results obtained from television or news paper.
(v) literacy rate figures obtained from educational survey. Of course, remember that there can be many more different answers.

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.1) 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.1) examples (iv) and (v) are called secondary data.

NCERT Solutions for Class 9 Maths Chapter 14 Statistics Exercise 14.1 PDF

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