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What is Statistics?
Sruthi ! What is Statistics?
Statistics - the Collection, Analysing and Interpretation of Data
No idea Sir...
What is population?
Good. The proper definition is in board. you can read now
Vicky ! What is Population?
Population - Refers to the total amount of "Things"
Is it Group of people?
What is Sample?
Santhosh!. Can your have any idea about sample?
Sample- Refers to a small part of the population that is used for study
What is Variable?
Variable - What we are studying?- Categorized-Countable - Measurable
Types of Variable
Variable we can measure by Quantitative and Categorical
There are two types of measures of variable in statistics
Examples for Quantitative and Categorical Variable
Quantitative - 90%-97.5%-74%-68%-71.3%
Quantitative - Each individual test scoreCategorical - Based on the categorized of letter grade
Categorized-A + - A-B+
Lets see what is variable?
What are they sir?