Statistics : Exercise 14.1 (Mathematics NCERT Class 9th)

Q.1     Give five examples of data that you can collect from your day to day life.

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 school.
(iii) Electricity bills of our house for last two years.
(iv) Election results obtained from television or newspapers.
(v) Literacy rate figures obtained from educational survey.

Q.2      Classify the data in Q. 1 above as primary or secondary data.

Primary data : (i) , (ii) and (iii)
Secondary data : (iv) and (v)