14. Statistics Mathematics Exercise - 14.1 class 9 Maths in English - CBSE Study
NCERT Solutions for Class 9 Mathematics are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 14. Statistics with detailed explanations and step-by-step answers for better exam preparation. Each Exercise 14.1 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 9 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Mathematics.
Class 9 English Medium Mathematics All Chapters:
14. Statistics
1. Exercise 14.1
Q1:Give five examples of data that you can collect from your day-to-day life.
Solution:
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 10 years in our country.
4. Number of plants in our locality.
5. Rainfall in our city in the last 10 years.
Q2: Classify the data in Q.1 above as primary or secondary data.
Solution:
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.
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