PSEB 9th Class Maths Solutions Chapter 14 Statistics Ex 14.1

by

Punjab State Board PSEB 9th Class Maths Book Solutions Chapter 14 Statistics Ex 14.1 Textbook Exercise Questions and Answers.

PSEB Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1

Question 1.
Give five examples of data that you can collect from your day-to-day life.
Answer:
Five examples of data that can be collected from day-to-day life can be given as below:

  1. Election results obtained from newspapers or TV
  2. The number of different kinds of trees grown in our school.
  3. Amounts of invoices of electricity for last one year at our home.
  4. The number of students studying in different standards of our school.
  5. Percentage of marks scored at last examination by the students in our class.

PSEB 9th Class Maths Solutions Chapter 14 Statistics Ex 14.1

Question 2.
Classify the data in Q. 1 above as primary or secondary data.
Answer:
Among the five data given as the answer to Q. 1, data no.

Primary data:

  • The number of different kinds of trees grown in our school.
  • Amounts of invoices of electricity for last one year at our home.
  • Percentage of marks scored at last examination by the students in our class.
  • primary data which we can collect ourselves.

Secondary data:

  • Election results obtained from newspapers or TV
  • The number of students studying in different standards of our school.
  • Secondary data as they are received from the sources of the newspapers or TV or the office of our school.

Leave a Comment