CBSE Class 9 Mathematics Statistics Worksheet Set A

  Question : Give five examples of data that you can collect from day to day life. Answer: 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.…

CBSE Class 9 Statistics Worksheet Set A

  Question: Classify the data in Q1 above as primary or secondary data. Answer: 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…