Class 9 - Mathematics
Statistics - Exercise 14.1
Top Block 1
Exercise 14.1
Question : 1 : Give 5 scenarios of day to day life from which any type of data can be collected.
Answer :
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
Mddle block 1
Question : 2 : Classify the above data in Question 1 as primary or secondary data.
Answer :
Primary Data : (i),(iii) and (v)
Secondary data: (ii) and (iv)