1. What does statistical inference primarily do when analyzing sample data?
2. Which activity best illustrates applied statistics?
3. In a study of customer satisfaction among all subscribers of a service, what is the population?
What is Statistics as a scientific method?
It is used to collect, present, analyze, interpret data, and draw conclusions.
What does theoretical statistics develop and prove?
Statistical theorems, methods, formulas, rules, and laws.
How does applied statistics use statistical methods?
It uses them to solve real problems.
What is the population in statistics?
The set of all observation units studied for their characteristics.
What is a sample in statistics?
A selected part of the population for analysis.
What distinguishes a census from a sample survey?
A census surveys every population element; a sample survey only part.
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