Jharkhand Board JAC Class 9 Maths Solutions Chapter 14 Statistics Ex 14.1 Textbook Exercise Questions and Answers.
JAC Board Class 9th Maths Solutions Chapter 14 Statistics Ex 14.1
Page-239
Question 1.
Give five examples of data that you can collect from your day-to-day life.
Answer:
Five examples from day-to-day life:
(i) Daily expenditures of household.
(ii) Amount of rainfall.
(iii) Bill of electricity.
(iv) Poll or survey results.
(v) Marks obtained by students.
Question 2.
Classify the data in Q. 1 above as primary or secondary data.
Answer:
Primary Data: (i), (iii) and (v)
Secondary Data: (ii) and (iv)