Chapter 14 Statistics
Ex 14.1
Ex 14.1 Class 9
Maths Question 1.
Give five examples of data
that you collect from your day-to-day life.
Solution:
Following are the five examples which are related to day-to-day life :
- Number
of girl students in our class.
- Number
of computer sets in our computer lab.
- Telephone
bills of our house for last two years.
- Number
of students appeared in an examination obtained from newspapers.
- Number
of female teachers in all the schools in a state obtained from the
education department.
Ex 14.1 Class 9
Maths Question 2.
Classify the data in Q.1 above
as primary or secondary data.
Solution:
We have,
Primary data: (i), (ii) and (iii)
Secondary data: (iv) and (v)
