RS Aggarwal Class 9 Solutions Statistics
Question 1:
Statistics is a branch of science which deals with the collection, presentation, analysis and interpretation of numerical data.
Question 2:
Fundamental characteristics of statistics :
(i) It deals only with the numerical data.
(ii) Qualitative characteristic such as illiteracy, intelligence, poverty etc cannot be measured numerically
(iii) Statistical inferences are not exact.
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