Bihar Board Class 9th Maths Solutions Chapter 14 Statistics Ex 14.1 Textbook Questions and Answers.
BSEB Bihar Board Class 9th Maths Solutions Chapter 14 Statistics Ex 14.1
Question 1.
Give five examples of data that you can 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 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.
Of course, remember that there can be many more different answers.
Question 2.
Classify the data
(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.
as primary or secondary data.
Solution:
Primary data:
(i) Number of students in our class.
(ii) Number of fans in our school.
(iii) Electricity bills of our house for last two years.
Secondary data:
(iv) Election results obtained from television or newspapers.
(v) Literacy rate figures obtained from Educational Survey.