Review: Data and Statistics

Front

What is data?

Back

Data refers to facts, figures, and statistics collected for analysis.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole.

Front

What is a population in statistics?

Back

A population is the entire group of individuals or items that we want to study.

Front

What does it mean to infer from data?

Back

To infer means to draw conclusions based on the data collected.

Front

What is a proportion?

Back

A proportion is a part, share, or number considered in comparative relation to a whole.

Front

What is skewed data?

Back

Skewed data is when the distribution of data points is not symmetrical.

Front

What does skewed left mean?

Back

Skewed left means that the tail on the left side of the distribution is longer or fatter than the right side.

Front

What does skewed right mean?

Back

Skewed right means that the tail on the right side of the distribution is longer or fatter than the left side.

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights to compare values.

Front

What is a line graph?

Back

A line graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.