NCERT Solutions for Class 9 Math Chapter 14 statistics for Exercise 14.1
we have solved the NCERT Solutions for Class 9 Math Chapter 14 statistics for Exercise 14.1 and 14.2 in a very easy manner. Students can easily grab the topic as updated for new academic year. HP Board Students can also use these solutions for there board exams. NCERT Solutions for 9th Maths Chapter 12, Exercise 14.1 involve complete answers for each question in the exercise 14.1. The solutions provide students a stretegic methods to prepare for their exam. Class 9 Maths Chapter 14 statistics exercise 14.1 questions and answers helps students to perform better in exam and it will clear doubts definitely. Students will find it extremely easy to understand the questions and learn solving the problems.NCERT Solutions for Class 9 Maths Chapter 14 statistics prepared by www.mathematicsandinformationtechnology.com team in very delicate, easy and creative way.
Question 1:
Give five examples of data that you can collect from day to day life.
Solution 1:
In our day to day life, we can collect the following data.
1.Number of females per 1000 males in various states of our country
2.Weights of students of our class
3.Production of wheat in the last 5 years in our country
4.Number of plants in our locality
5.Rainfall in our city in the last 12 months.
Question 2:
Classify the data in Q1 above as primary or secondary data.
Solution 2:
The information which is collected by the investigator himself with a definite objective in his mind is called as primary data whereas when the information is gathered from a source which already had the information stored, it is called as secondary data.
It can be observed that the data in 1, 3, and 5 is secondary data and the data in 2 and 4 is primary data.
