PSEB Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1
PSEB Solutions for Class 9 Maths Chapter 14 Statistics Ex 14.1
PSEB 9th Class 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.
Answer:
Five examples of data that can be collected from day-to-day life can be given as below:
- Election results obtained from newspapers or TV
- The number of different kinds of trees grown in our school.
- Amounts of invoices of electricity for last one year at our home.
- The number of students studying in different standards of our school.
- Percentage of marks scored at last examination by the students in our class.
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.
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