Ncert Solutions For Class 9 Maths Ex 14.1

Ncert Solutions For Class 9 Maths Chapter 14 Ex 14.1

Q1) Give 5 scenarios of day to day life from which any type of data can be collected.

Solution:

Daily life activities from where data can be collected are as follows:

(i) Daily household expenditure

(ii) Rainfall happening in your area

(iii) Electricity bill of monthly

(iv) Voting results or survey that the companies conduct

(v) Mark sheet of results that the student gets

 

Q2) Classify the above data in Q1 as primary or secondary data.

Solution:

Primary Data : (i),(iii) and (v)

Secondary data: (ii) and (iv)