Ch1_3000

Front

What is an example of what people commonly think of as 'statistics'?

Back

Calculating the average score of a basketball player.

Front

What best describes descriptive statistics?

Back

Techniques used to summarize and describe data.

Front

In an experiment testing teaching methods, what is the independent variable (IV) and its levels?

Back

IV: Teaching method; Levels: Lecture, Group discussion, Video.

Front

What do inferential statistics allow us to do?

Back

Make generalizations from a sample to a population.

Front

What is the main problem with claiming a teaching method is better based on student preferences without statistical analysis?

Back

Students’ preferences don’t necessarily indicate effectiveness; also, without statistical tests, results could be due to chance.

Front

Define statistics.

Back

The science of collecting, analyzing, interpreting, and presenting data.

Front

What are the two main branches of statistics?

Back

Descriptive statistics and inferential statistics.

Front

What is the purpose of descriptive statistics?

Back

To summarize and describe the main features of a dataset.

Front

What is an independent variable (IV)?

Back

A variable that is manipulated to observe its effect on a dependent variable.

Front

What is a dependent variable (DV)?

Back

A variable that is measured to see how it is affected by the independent variable.