Introduction to Statistics

These flashcards summarize the fundamental concepts of statistics introduced in the lecture notes.

What is the definition of statistics?

Statistics is the process of collecting, organizing, analyzing data set variables.

What are the two main types of statistics?

Descriptive statistics and inferential statistics.

What is a population in statistics?

A population is any entire collection of objects we want to study about, which can include people, animals, or plants.

What is a sample in statistics?

A sample is a subset of items chosen from a population, often studied instead of the entire population due to size constraints.

What is a variable in statistics?

A variable is a characteristic of the object being studied that can take on different values.

What is a parameter in statistics?

A parameter is a value used to represent a certain characteristic of a population.

What is a census?

A census is a data collection process performed on every unit in a population, typically by government agencies.

What is the purpose of a pilot study?

A pilot study is conducted before the actual fieldwork to identify potential problems and test study materials.

What is descriptive analysis?

Descriptive analysis involves compiling, organizing, and summarizing data into easy-to-understand formats such as tables and graphs.

What is inferential analysis?

Inferential analysis makes conclusions or inferences about a population based on sample data.